72807840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:292

約数の個数: 288

約数和(自身を含む): 294368256

約数和(自身を除く): 221560416

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, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 233, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 466, 480, 496, 504, 558, 560, 620, 630, 651, 672, 699, 720, 744, 840, 868, 930, 932, 992, 1008, 1085, 1116, 1120, 1165, 1240, 1260, 1302, 1395, 1398, 1440, 1488, 1631, 1680, 1736, 1860, 1864, 1953, 2016, 2097, 2170, 2232, 2330, 2480, 2520, 2604, 2790, 2796, 2976, 3255, 3262, 3360, 3472, 3495, 3720, 3728, 3906, 4194, 4340, 4464, 4660, 4893, 4960, 5040, 5208, 5580, 5592, 6510, 6524, 6944, 6990, 7223, 7440, 7456, 7812, 8155, 8388, 8680, 8928, 9320, 9765, 9786, 10080, 10416, 10485, 11160, 11184, 13020, 13048, 13980, 14446, 14679, 14880, 15624, 16310, 16776, 17360, 18640, 19530, 19572, 20832, 20970, 21669, 22320, 22368, 24465, 26040, 26096, 27960, 28892, 29358, 31248, 32620, 33552, 34720, 36115, 37280, 39060, 39144, 41940, 43338, 44640, 48930, 50561, 52080, 52192, 55920, 57784, 58716, 62496, 65007, 65240, 67104, 72230, 73395, 78120, 78288, 83880, 86676, 97860, 101122, 104160, 108345, 111840, 115568, 117432, 130014, 130480, 144460, 146790, 151683, 156240, 156576, 167760, 173352, 195720, 202244, 216690, 231136, 234864, 252805, 260028, 260960, 288920, 293580, 303366, 312480, 325035, 335520, 346704, 391440, 404488, 433380, 455049, 469728, 505610, 520056, 577840, 587160, 606732, 650070, 693408, 758415, 782880, 808976, 866760, 910098, 1011220, 1040112, 1155680, 1174320, 1213464, 1300140, 1516830, 1617952, 1733520, 1820196, 2022440, 2080224, 2275245, 2348640, 2426928, 2600280, 3033660, 3467040, 3640392, 4044880, 4550490, 4853856, 5200560, 6067320, 7280784, 8089760, 9100980, 10401120, 12134640, 14561568, 18201960, 24269280, 36403920, 72807840]

約数ペア:

[(1, 72807840), (2, 36403920), (3, 24269280), (4, 18201960), (5, 14561568), (6, 12134640), (7, 10401120), (8, 9100980), (9, 8089760), (10, 7280784), (12, 6067320), (14, 5200560), (15, 4853856), (16, 4550490), (18, 4044880), (20, 3640392), (21, 3467040), (24, 3033660), (28, 2600280), (30, 2426928), (31, 2348640), (32, 2275245), (35, 2080224), (36, 2022440), (40, 1820196), (42, 1733520), (45, 1617952), (48, 1516830), (56, 1300140), (60, 1213464), (62, 1174320), (63, 1155680), (70, 1040112), (72, 1011220), (80, 910098), (84, 866760), (90, 808976), (93, 782880), (96, 758415), (105, 693408), (112, 650070), (120, 606732), (124, 587160), (126, 577840), (140, 520056), (144, 505610), (155, 469728), (160, 455049), (168, 433380), (180, 404488), (186, 391440), (210, 346704), (217, 335520), (224, 325035), (233, 312480), (240, 303366), (248, 293580), (252, 288920), (279, 260960), (280, 260028), (288, 252805), (310, 234864), (315, 231136), (336, 216690), (360, 202244), (372, 195720), (420, 173352), (434, 167760), (465, 156576), (466, 156240), (480, 151683), (496, 146790), (504, 144460), (558, 130480), (560, 130014), (620, 117432), (630, 115568), (651, 111840), (672, 108345), (699, 104160), (720, 101122), (744, 97860), (840, 86676), (868, 83880), (930, 78288), (932, 78120), (992, 73395), (1008, 72230), (1085, 67104), (1116, 65240), (1120, 65007), (1165, 62496), (1240, 58716), (1260, 57784), (1302, 55920), (1395, 52192), (1398, 52080), (1440, 50561), (1488, 48930), (1631, 44640), (1680, 43338), (1736, 41940), (1860, 39144), (1864, 39060), (1953, 37280), (2016, 36115), (2097, 34720), (2170, 33552), (2232, 32620), (2330, 31248), (2480, 29358), (2520, 28892), (2604, 27960), (2790, 26096), (2796, 26040), (2976, 24465), (3255, 22368), (3262, 22320), (3360, 21669), (3472, 20970), (3495, 20832), (3720, 19572), (3728, 19530), (3906, 18640), (4194, 17360), (4340, 16776), (4464, 16310), (4660, 15624), (4893, 14880), (4960, 14679), (5040, 14446), (5208, 13980), (5580, 13048), (5592, 13020), (6510, 11184), (6524, 11160), (6944, 10485), (6990, 10416), (7223, 10080), (7440, 9786), (7456, 9765), (7812, 9320), (8155, 8928), (8388, 8680)]