687768480

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 432

約数和(自身を含む): 2810650752

約数和(自身を除く): 2122882272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 71, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 142, 144, 155, 160, 168, 180, 186, 210, 213, 217, 224, 240, 248, 252, 279, 280, 284, 288, 310, 315, 336, 355, 360, 372, 420, 426, 434, 465, 480, 496, 497, 504, 558, 560, 568, 620, 630, 639, 651, 672, 710, 720, 744, 840, 852, 868, 930, 961, 992, 994, 1008, 1065, 1085, 1116, 1120, 1136, 1240, 1260, 1278, 1302, 1395, 1420, 1440, 1488, 1491, 1680, 1704, 1736, 1860, 1922, 1953, 1988, 2016, 2130, 2170, 2201, 2232, 2272, 2480, 2485, 2520, 2556, 2604, 2790, 2840, 2883, 2976, 2982, 3195, 3255, 3360, 3408, 3472, 3720, 3844, 3906, 3976, 4260, 4340, 4402, 4464, 4473, 4805, 4960, 4970, 5040, 5112, 5208, 5580, 5680, 5766, 5964, 6390, 6510, 6603, 6727, 6816, 6944, 7440, 7455, 7688, 7812, 7952, 8520, 8649, 8680, 8804, 8928, 8946, 9610, 9765, 9940, 10080, 10224, 10416, 11005, 11160, 11360, 11532, 11928, 12780, 13020, 13206, 13454, 14415, 14880, 14910, 15376, 15407, 15624, 15904, 17040, 17298, 17360, 17608, 17892, 19220, 19530, 19809, 19880, 20181, 20448, 20832, 22010, 22320, 22365, 23064, 23856, 25560, 26040, 26412, 26908, 28830, 29820, 30752, 30814, 31248, 33015, 33635, 34080, 34596, 34720, 35216, 35784, 38440, 39060, 39618, 39760, 40362, 43245, 44020, 44640, 44730, 46128, 46221, 47712, 51120, 52080, 52824, 53816, 57660, 59640, 60543, 61628, 62496, 66030, 67270, 68231, 69192, 70432, 71568, 76880, 77035, 78120, 79236, 79520, 80724, 86490, 88040, 89460, 92256, 92442, 99045, 100905, 102240, 104160, 105648, 107632, 115320, 119280, 121086, 123256, 132060, 134540, 136462, 138384, 138663, 143136, 153760, 154070, 156240, 158472, 161448, 172980, 176080, 178920, 184884, 198090, 201810, 204693, 211296, 215264, 230640, 231105, 238560, 242172, 246512, 264120, 269080, 272924, 276768, 277326, 302715, 308140, 312480, 316944, 322896, 341155, 345960, 352160, 357840, 369768, 396180, 403620, 409386, 461280, 462210, 477617, 484344, 493024, 528240, 538160, 545848, 554652, 605430, 614079, 616280, 633888, 645792, 682310, 691920, 693315, 715680, 739536, 792360, 807240, 818772, 924420, 955234, 968688, 1023465, 1056480, 1076320, 1091696, 1109304, 1210860, 1228158, 1232560, 1364620, 1383840, 1386630, 1432851, 1479072, 1584720, 1614480, 1637544, 1848840, 1910468, 1937376, 2046930, 2183392, 2218608, 2388085, 2421720, 2456316, 2465120, 2729240, 2773260, 2865702, 3070395, 3169440, 3228960, 3275088, 3697680, 3820936, 4093860, 4298553, 4437216, 4776170, 4843440, 4912632, 5458480, 5546520, 5731404, 6140790, 6550176, 7164255, 7395360, 7641872, 8187720, 8597106, 9552340, 9686880, 9825264, 10916960, 11093040, 11462808, 12281580, 14328510, 15283744, 16375440, 17194212, 19104680, 19650528, 21492765, 22186080, 22925616, 24563160, 28657020, 32750880, 34388424, 38209360, 42985530, 45851232, 49126320, 57314040, 68776848, 76418720, 85971060, 98252640, 114628080, 137553696, 171942120, 229256160, 343884240, 687768480]

約数ペア:

[(1, 687768480), (2, 343884240), (3, 229256160), (4, 171942120), (5, 137553696), (6, 114628080), (7, 98252640), (8, 85971060), (9, 76418720), (10, 68776848), (12, 57314040), (14, 49126320), (15, 45851232), (16, 42985530), (18, 38209360), (20, 34388424), (21, 32750880), (24, 28657020), (28, 24563160), (30, 22925616), (31, 22186080), (32, 21492765), (35, 19650528), (36, 19104680), (40, 17194212), (42, 16375440), (45, 15283744), (48, 14328510), (56, 12281580), (60, 11462808), (62, 11093040), (63, 10916960), (70, 9825264), (71, 9686880), (72, 9552340), (80, 8597106), (84, 8187720), (90, 7641872), (93, 7395360), (96, 7164255), (105, 6550176), (112, 6140790), (120, 5731404), (124, 5546520), (126, 5458480), (140, 4912632), (142, 4843440), (144, 4776170), (155, 4437216), (160, 4298553), (168, 4093860), (180, 3820936), (186, 3697680), (210, 3275088), (213, 3228960), (217, 3169440), (224, 3070395), (240, 2865702), (248, 2773260), (252, 2729240), (279, 2465120), (280, 2456316), (284, 2421720), (288, 2388085), (310, 2218608), (315, 2183392), (336, 2046930), (355, 1937376), (360, 1910468), (372, 1848840), (420, 1637544), (426, 1614480), (434, 1584720), (465, 1479072), (480, 1432851), (496, 1386630), (497, 1383840), (504, 1364620), (558, 1232560), (560, 1228158), (568, 1210860), (620, 1109304), (630, 1091696), (639, 1076320), (651, 1056480), (672, 1023465), (710, 968688), (720, 955234), (744, 924420), (840, 818772), (852, 807240), (868, 792360), (930, 739536), (961, 715680), (992, 693315), (994, 691920), (1008, 682310), (1065, 645792), (1085, 633888), (1116, 616280), (1120, 614079), (1136, 605430), (1240, 554652), (1260, 545848), (1278, 538160), (1302, 528240), (1395, 493024), (1420, 484344), (1440, 477617), (1488, 462210), (1491, 461280), (1680, 409386), (1704, 403620), (1736, 396180), (1860, 369768), (1922, 357840), (1953, 352160), (1988, 345960), (2016, 341155), (2130, 322896), (2170, 316944), (2201, 312480), (2232, 308140), (2272, 302715), (2480, 277326), (2485, 276768), (2520, 272924), (2556, 269080), (2604, 264120), (2790, 246512), (2840, 242172), (2883, 238560), (2976, 231105), (2982, 230640), (3195, 215264), (3255, 211296), (3360, 204693), (3408, 201810), (3472, 198090), (3720, 184884), (3844, 178920), (3906, 176080), (3976, 172980), (4260, 161448), (4340, 158472), (4402, 156240), (4464, 154070), (4473, 153760), (4805, 143136), (4960, 138663), (4970, 138384), (5040, 136462), (5112, 134540), (5208, 132060), (5580, 123256), (5680, 121086), (5766, 119280), (5964, 115320), (6390, 107632), (6510, 105648), (6603, 104160), (6727, 102240), (6816, 100905), (6944, 99045), (7440, 92442), (7455, 92256), (7688, 89460), (7812, 88040), (7952, 86490), (8520, 80724), (8649, 79520), (8680, 79236), (8804, 78120), (8928, 77035), (8946, 76880), (9610, 71568), (9765, 70432), (9940, 69192), (10080, 68231), (10224, 67270), (10416, 66030), (11005, 62496), (11160, 61628), (11360, 60543), (11532, 59640), (11928, 57660), (12780, 53816), (13020, 52824), (13206, 52080), (13454, 51120), (14415, 47712), (14880, 46221), (14910, 46128), (15376, 44730), (15407, 44640), (15624, 44020), (15904, 43245), (17040, 40362), (17298, 39760), (17360, 39618), (17608, 39060), (17892, 38440), (19220, 35784), (19530, 35216), (19809, 34720), (19880, 34596), (20181, 34080), (20448, 33635), (20832, 33015), (22010, 31248), (22320, 30814), (22365, 30752), (23064, 29820), (23856, 28830), (25560, 26908), (26040, 26412)]