205545360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:425

約数の個数: 160

約数和(自身を含む): 664957440

約数和(自身を除く): 459412080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 79, 80, 111, 120, 148, 158, 185, 222, 237, 240, 293, 296, 316, 370, 395, 444, 474, 555, 586, 592, 632, 740, 790, 879, 888, 948, 1110, 1172, 1185, 1264, 1465, 1480, 1580, 1758, 1776, 1896, 2220, 2344, 2370, 2923, 2930, 2960, 3160, 3516, 3792, 4395, 4440, 4688, 4740, 5846, 5860, 6320, 7032, 8769, 8790, 8880, 9480, 10841, 11692, 11720, 14064, 14615, 17538, 17580, 18960, 21682, 23147, 23384, 23440, 29230, 32523, 35076, 35160, 43364, 43845, 46294, 46768, 54205, 58460, 65046, 69441, 70152, 70320, 86728, 87690, 92588, 108410, 115735, 116920, 130092, 138882, 140304, 162615, 173456, 175380, 185176, 216820, 231470, 233840, 260184, 277764, 325230, 347205, 350760, 370352, 433640, 462940, 520368, 555528, 650460, 694410, 701520, 856439, 867280, 925880, 1111056, 1300920, 1388820, 1712878, 1851760, 2569317, 2601840, 2777640, 3425756, 4282195, 5138634, 5555280, 6851512, 8564390, 10277268, 12846585, 13703024, 17128780, 20554536, 25693170, 34257560, 41109072, 51386340, 68515120, 102772680, 205545360]

約数ペア:

[(1, 205545360), (2, 102772680), (3, 68515120), (4, 51386340), (5, 41109072), (6, 34257560), (8, 25693170), (10, 20554536), (12, 17128780), (15, 13703024), (16, 12846585), (20, 10277268), (24, 8564390), (30, 6851512), (37, 5555280), (40, 5138634), (48, 4282195), (60, 3425756), (74, 2777640), (79, 2601840), (80, 2569317), (111, 1851760), (120, 1712878), (148, 1388820), (158, 1300920), (185, 1111056), (222, 925880), (237, 867280), (240, 856439), (293, 701520), (296, 694410), (316, 650460), (370, 555528), (395, 520368), (444, 462940), (474, 433640), (555, 370352), (586, 350760), (592, 347205), (632, 325230), (740, 277764), (790, 260184), (879, 233840), (888, 231470), (948, 216820), (1110, 185176), (1172, 175380), (1185, 173456), (1264, 162615), (1465, 140304), (1480, 138882), (1580, 130092), (1758, 116920), (1776, 115735), (1896, 108410), (2220, 92588), (2344, 87690), (2370, 86728), (2923, 70320), (2930, 70152), (2960, 69441), (3160, 65046), (3516, 58460), (3792, 54205), (4395, 46768), (4440, 46294), (4688, 43845), (4740, 43364), (5846, 35160), (5860, 35076), (6320, 32523), (7032, 29230), (8769, 23440), (8790, 23384), (8880, 23147), (9480, 21682), (10841, 18960), (11692, 17580), (11720, 17538), (14064, 14615)]