620654320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:503

約数の個数: 160

約数和(自身を含む): 1709890560

約数和(自身を除く): 1089236240

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 227, 239, 260, 286, 440, 454, 478, 520, 572, 715, 880, 908, 956, 1040, 1135, 1144, 1195, 1430, 1816, 1912, 2270, 2288, 2390, 2497, 2629, 2860, 2951, 3107, 3632, 3824, 4540, 4780, 4994, 5258, 5720, 5902, 6214, 9080, 9560, 9988, 10516, 11440, 11804, 12428, 12485, 13145, 14755, 15535, 18160, 19120, 19976, 21032, 23608, 24856, 24970, 26290, 29510, 31070, 32461, 34177, 39952, 42064, 47216, 49712, 49940, 52580, 54253, 59020, 62140, 64922, 68354, 99880, 105160, 108506, 118040, 124280, 129844, 136708, 162305, 170885, 199760, 210320, 217012, 236080, 248560, 259688, 271265, 273416, 324610, 341770, 434024, 519376, 542530, 546832, 596783, 649220, 683540, 705289, 868048, 1085060, 1193566, 1298440, 1367080, 1410578, 2170120, 2387132, 2596880, 2734160, 2821156, 2983915, 3526445, 4340240, 4774264, 5642312, 5967830, 7052890, 7758179, 9548528, 11284624, 11935660, 14105780, 15516358, 23871320, 28211560, 31032716, 38790895, 47742640, 56423120, 62065432, 77581790, 124130864, 155163580, 310327160, 620654320]

約数ペア:

[(1, 620654320), (2, 310327160), (4, 155163580), (5, 124130864), (8, 77581790), (10, 62065432), (11, 56423120), (13, 47742640), (16, 38790895), (20, 31032716), (22, 28211560), (26, 23871320), (40, 15516358), (44, 14105780), (52, 11935660), (55, 11284624), (65, 9548528), (80, 7758179), (88, 7052890), (104, 5967830), (110, 5642312), (130, 4774264), (143, 4340240), (176, 3526445), (208, 2983915), (220, 2821156), (227, 2734160), (239, 2596880), (260, 2387132), (286, 2170120), (440, 1410578), (454, 1367080), (478, 1298440), (520, 1193566), (572, 1085060), (715, 868048), (880, 705289), (908, 683540), (956, 649220), (1040, 596783), (1135, 546832), (1144, 542530), (1195, 519376), (1430, 434024), (1816, 341770), (1912, 324610), (2270, 273416), (2288, 271265), (2390, 259688), (2497, 248560), (2629, 236080), (2860, 217012), (2951, 210320), (3107, 199760), (3632, 170885), (3824, 162305), (4540, 136708), (4780, 129844), (4994, 124280), (5258, 118040), (5720, 108506), (5902, 105160), (6214, 99880), (9080, 68354), (9560, 64922), (9988, 62140), (10516, 59020), (11440, 54253), (11804, 52580), (12428, 49940), (12485, 49712), (13145, 47216), (14755, 42064), (15535, 39952), (18160, 34177), (19120, 32461), (19976, 31070), (21032, 29510), (23608, 26290), (24856, 24970)]