171942120

素因数分解:

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

素因数の和:157

約数の個数: 288

約数和(自身を含む): 669202560

約数和(自身を除く): 497260440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 71, 72, 84, 90, 93, 105, 120, 124, 126, 140, 142, 155, 168, 180, 186, 210, 213, 217, 248, 252, 279, 280, 284, 310, 315, 355, 360, 372, 420, 426, 434, 465, 497, 504, 558, 568, 620, 630, 639, 651, 710, 744, 840, 852, 868, 930, 961, 994, 1065, 1085, 1116, 1240, 1260, 1278, 1302, 1395, 1420, 1491, 1704, 1736, 1860, 1922, 1953, 1988, 2130, 2170, 2201, 2232, 2485, 2520, 2556, 2604, 2790, 2840, 2883, 2982, 3195, 3255, 3720, 3844, 3906, 3976, 4260, 4340, 4402, 4473, 4805, 4970, 5112, 5208, 5580, 5766, 5964, 6390, 6510, 6603, 6727, 7455, 7688, 7812, 8520, 8649, 8680, 8804, 8946, 9610, 9765, 9940, 11005, 11160, 11532, 11928, 12780, 13020, 13206, 13454, 14415, 14910, 15407, 15624, 17298, 17608, 17892, 19220, 19530, 19809, 19880, 20181, 22010, 22365, 23064, 25560, 26040, 26412, 26908, 28830, 29820, 30814, 33015, 33635, 34596, 35784, 38440, 39060, 39618, 40362, 43245, 44020, 44730, 46221, 52824, 53816, 57660, 59640, 60543, 61628, 66030, 67270, 68231, 69192, 77035, 78120, 79236, 80724, 86490, 88040, 89460, 92442, 99045, 100905, 115320, 121086, 123256, 132060, 134540, 136462, 138663, 154070, 158472, 161448, 172980, 178920, 184884, 198090, 201810, 204693, 231105, 242172, 264120, 269080, 272924, 277326, 302715, 308140, 341155, 345960, 369768, 396180, 403620, 409386, 462210, 477617, 484344, 545848, 554652, 605430, 614079, 616280, 682310, 693315, 792360, 807240, 818772, 924420, 955234, 1023465, 1109304, 1210860, 1228158, 1364620, 1386630, 1432851, 1637544, 1848840, 1910468, 2046930, 2388085, 2421720, 2456316, 2729240, 2773260, 2865702, 3070395, 3820936, 4093860, 4298553, 4776170, 4912632, 5546520, 5731404, 6140790, 7164255, 8187720, 8597106, 9552340, 11462808, 12281580, 14328510, 17194212, 19104680, 21492765, 24563160, 28657020, 34388424, 42985530, 57314040, 85971060, 171942120]

約数ペア:

[(1, 171942120), (2, 85971060), (3, 57314040), (4, 42985530), (5, 34388424), (6, 28657020), (7, 24563160), (8, 21492765), (9, 19104680), (10, 17194212), (12, 14328510), (14, 12281580), (15, 11462808), (18, 9552340), (20, 8597106), (21, 8187720), (24, 7164255), (28, 6140790), (30, 5731404), (31, 5546520), (35, 4912632), (36, 4776170), (40, 4298553), (42, 4093860), (45, 3820936), (56, 3070395), (60, 2865702), (62, 2773260), (63, 2729240), (70, 2456316), (71, 2421720), (72, 2388085), (84, 2046930), (90, 1910468), (93, 1848840), (105, 1637544), (120, 1432851), (124, 1386630), (126, 1364620), (140, 1228158), (142, 1210860), (155, 1109304), (168, 1023465), (180, 955234), (186, 924420), (210, 818772), (213, 807240), (217, 792360), (248, 693315), (252, 682310), (279, 616280), (280, 614079), (284, 605430), (310, 554652), (315, 545848), (355, 484344), (360, 477617), (372, 462210), (420, 409386), (426, 403620), (434, 396180), (465, 369768), (497, 345960), (504, 341155), (558, 308140), (568, 302715), (620, 277326), (630, 272924), (639, 269080), (651, 264120), (710, 242172), (744, 231105), (840, 204693), (852, 201810), (868, 198090), (930, 184884), (961, 178920), (994, 172980), (1065, 161448), (1085, 158472), (1116, 154070), (1240, 138663), (1260, 136462), (1278, 134540), (1302, 132060), (1395, 123256), (1420, 121086), (1491, 115320), (1704, 100905), (1736, 99045), (1860, 92442), (1922, 89460), (1953, 88040), (1988, 86490), (2130, 80724), (2170, 79236), (2201, 78120), (2232, 77035), (2485, 69192), (2520, 68231), (2556, 67270), (2604, 66030), (2790, 61628), (2840, 60543), (2883, 59640), (2982, 57660), (3195, 53816), (3255, 52824), (3720, 46221), (3844, 44730), (3906, 44020), (3976, 43245), (4260, 40362), (4340, 39618), (4402, 39060), (4473, 38440), (4805, 35784), (4970, 34596), (5112, 33635), (5208, 33015), (5580, 30814), (5766, 29820), (5964, 28830), (6390, 26908), (6510, 26412), (6603, 26040), (6727, 25560), (7455, 23064), (7688, 22365), (7812, 22010), (8520, 20181), (8649, 19880), (8680, 19809), (8804, 19530), (8946, 19220), (9610, 17892), (9765, 17608), (9940, 17298), (11005, 15624), (11160, 15407), (11532, 14910), (11928, 14415), (12780, 13454), (13020, 13206)]