71297520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:128

約数の個数: 240

約数和(自身を含む): 267982848

約数和(自身を除く): 196685328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 37, 40, 42, 48, 56, 60, 62, 70, 74, 80, 84, 93, 105, 111, 112, 120, 124, 140, 148, 155, 168, 185, 186, 210, 217, 222, 240, 248, 259, 280, 296, 310, 336, 370, 372, 420, 434, 444, 465, 496, 518, 555, 560, 592, 620, 651, 740, 744, 777, 840, 868, 888, 930, 1036, 1085, 1110, 1147, 1240, 1295, 1302, 1369, 1480, 1488, 1554, 1680, 1736, 1776, 1860, 2072, 2170, 2220, 2294, 2480, 2590, 2604, 2738, 2960, 3108, 3255, 3441, 3472, 3720, 3885, 4107, 4144, 4340, 4440, 4588, 5180, 5208, 5476, 5735, 6216, 6510, 6845, 6882, 7440, 7770, 8029, 8214, 8680, 8880, 9176, 9583, 10360, 10416, 10952, 11470, 12432, 13020, 13690, 13764, 15540, 16058, 16428, 17205, 17360, 18352, 19166, 20535, 20720, 21904, 22940, 24087, 26040, 27380, 27528, 28749, 31080, 32116, 32856, 34410, 38332, 40145, 41070, 42439, 45880, 47915, 48174, 52080, 54760, 55056, 57498, 62160, 64232, 65712, 68820, 76664, 80290, 82140, 84878, 91760, 95830, 96348, 109520, 114996, 120435, 127317, 128464, 137640, 143745, 153328, 160580, 164280, 169756, 191660, 192696, 212195, 229992, 240870, 254634, 275280, 287490, 297073, 321160, 328560, 339512, 383320, 385392, 424390, 459984, 481740, 509268, 574980, 594146, 636585, 642320, 679024, 766640, 848780, 891219, 963480, 1018536, 1149960, 1188292, 1273170, 1485365, 1697560, 1782438, 1926960, 2037072, 2299920, 2376584, 2546340, 2970730, 3395120, 3564876, 4456095, 4753168, 5092680, 5941460, 7129752, 8912190, 10185360, 11882920, 14259504, 17824380, 23765840, 35648760, 71297520]

約数ペア:

[(1, 71297520), (2, 35648760), (3, 23765840), (4, 17824380), (5, 14259504), (6, 11882920), (7, 10185360), (8, 8912190), (10, 7129752), (12, 5941460), (14, 5092680), (15, 4753168), (16, 4456095), (20, 3564876), (21, 3395120), (24, 2970730), (28, 2546340), (30, 2376584), (31, 2299920), (35, 2037072), (37, 1926960), (40, 1782438), (42, 1697560), (48, 1485365), (56, 1273170), (60, 1188292), (62, 1149960), (70, 1018536), (74, 963480), (80, 891219), (84, 848780), (93, 766640), (105, 679024), (111, 642320), (112, 636585), (120, 594146), (124, 574980), (140, 509268), (148, 481740), (155, 459984), (168, 424390), (185, 385392), (186, 383320), (210, 339512), (217, 328560), (222, 321160), (240, 297073), (248, 287490), (259, 275280), (280, 254634), (296, 240870), (310, 229992), (336, 212195), (370, 192696), (372, 191660), (420, 169756), (434, 164280), (444, 160580), (465, 153328), (496, 143745), (518, 137640), (555, 128464), (560, 127317), (592, 120435), (620, 114996), (651, 109520), (740, 96348), (744, 95830), (777, 91760), (840, 84878), (868, 82140), (888, 80290), (930, 76664), (1036, 68820), (1085, 65712), (1110, 64232), (1147, 62160), (1240, 57498), (1295, 55056), (1302, 54760), (1369, 52080), (1480, 48174), (1488, 47915), (1554, 45880), (1680, 42439), (1736, 41070), (1776, 40145), (1860, 38332), (2072, 34410), (2170, 32856), (2220, 32116), (2294, 31080), (2480, 28749), (2590, 27528), (2604, 27380), (2738, 26040), (2960, 24087), (3108, 22940), (3255, 21904), (3441, 20720), (3472, 20535), (3720, 19166), (3885, 18352), (4107, 17360), (4144, 17205), (4340, 16428), (4440, 16058), (4588, 15540), (5180, 13764), (5208, 13690), (5476, 13020), (5735, 12432), (6216, 11470), (6510, 10952), (6845, 10416), (6882, 10360), (7440, 9583), (7770, 9176), (8029, 8880), (8214, 8680)]