81475440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:327

約数の個数: 160

約数和(自身を含む): 267411456

約数和(自身を除く): 185936016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 47, 48, 60, 62, 80, 93, 94, 120, 124, 141, 155, 186, 188, 233, 235, 240, 248, 282, 310, 372, 376, 465, 466, 470, 496, 564, 620, 699, 705, 744, 752, 930, 932, 940, 1128, 1165, 1240, 1398, 1410, 1457, 1488, 1860, 1864, 1880, 2256, 2330, 2480, 2796, 2820, 2914, 3495, 3720, 3728, 3760, 4371, 4660, 5592, 5640, 5828, 6990, 7223, 7285, 7440, 8742, 9320, 10951, 11184, 11280, 11656, 13980, 14446, 14570, 17484, 18640, 21669, 21855, 21902, 23312, 27960, 28892, 29140, 32853, 34968, 36115, 43338, 43710, 43804, 54755, 55920, 57784, 58280, 65706, 69936, 72230, 86676, 87420, 87608, 108345, 109510, 115568, 116560, 131412, 144460, 164265, 173352, 174840, 175216, 216690, 219020, 262824, 288920, 328530, 339481, 346704, 349680, 433380, 438040, 525648, 577840, 657060, 678962, 866760, 876080, 1018443, 1314120, 1357924, 1697405, 1733520, 2036886, 2628240, 2715848, 3394810, 4073772, 5092215, 5431696, 6789620, 8147544, 10184430, 13579240, 16295088, 20368860, 27158480, 40737720, 81475440]

約数ペア:

[(1, 81475440), (2, 40737720), (3, 27158480), (4, 20368860), (5, 16295088), (6, 13579240), (8, 10184430), (10, 8147544), (12, 6789620), (15, 5431696), (16, 5092215), (20, 4073772), (24, 3394810), (30, 2715848), (31, 2628240), (40, 2036886), (47, 1733520), (48, 1697405), (60, 1357924), (62, 1314120), (80, 1018443), (93, 876080), (94, 866760), (120, 678962), (124, 657060), (141, 577840), (155, 525648), (186, 438040), (188, 433380), (233, 349680), (235, 346704), (240, 339481), (248, 328530), (282, 288920), (310, 262824), (372, 219020), (376, 216690), (465, 175216), (466, 174840), (470, 173352), (496, 164265), (564, 144460), (620, 131412), (699, 116560), (705, 115568), (744, 109510), (752, 108345), (930, 87608), (932, 87420), (940, 86676), (1128, 72230), (1165, 69936), (1240, 65706), (1398, 58280), (1410, 57784), (1457, 55920), (1488, 54755), (1860, 43804), (1864, 43710), (1880, 43338), (2256, 36115), (2330, 34968), (2480, 32853), (2796, 29140), (2820, 28892), (2914, 27960), (3495, 23312), (3720, 21902), (3728, 21855), (3760, 21669), (4371, 18640), (4660, 17484), (5592, 14570), (5640, 14446), (5828, 13980), (6990, 11656), (7223, 11280), (7285, 11184), (7440, 10951), (8742, 9320)]