71467320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:745

約数の個数: 128

約数和(自身を含む): 231647040

約数和(自身を除く): 160179720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 53, 60, 68, 85, 102, 106, 120, 136, 159, 170, 204, 212, 255, 265, 318, 340, 408, 424, 510, 530, 636, 661, 680, 795, 901, 1020, 1060, 1272, 1322, 1590, 1802, 1983, 2040, 2120, 2644, 2703, 3180, 3305, 3604, 3966, 4505, 5288, 5406, 6360, 6610, 7208, 7932, 9010, 9915, 10812, 11237, 13220, 13515, 15864, 18020, 19830, 21624, 22474, 26440, 27030, 33711, 35033, 36040, 39660, 44948, 54060, 56185, 67422, 70066, 79320, 89896, 105099, 108120, 112370, 134844, 140132, 168555, 175165, 210198, 224740, 269688, 280264, 337110, 350330, 420396, 449480, 525495, 595561, 674220, 700660, 840792, 1050990, 1191122, 1348440, 1401320, 1786683, 2101980, 2382244, 2977805, 3573366, 4203960, 4764488, 5955610, 7146732, 8933415, 11911220, 14293464, 17866830, 23822440, 35733660, 71467320]

約数ペア:

[(1, 71467320), (2, 35733660), (3, 23822440), (4, 17866830), (5, 14293464), (6, 11911220), (8, 8933415), (10, 7146732), (12, 5955610), (15, 4764488), (17, 4203960), (20, 3573366), (24, 2977805), (30, 2382244), (34, 2101980), (40, 1786683), (51, 1401320), (53, 1348440), (60, 1191122), (68, 1050990), (85, 840792), (102, 700660), (106, 674220), (120, 595561), (136, 525495), (159, 449480), (170, 420396), (204, 350330), (212, 337110), (255, 280264), (265, 269688), (318, 224740), (340, 210198), (408, 175165), (424, 168555), (510, 140132), (530, 134844), (636, 112370), (661, 108120), (680, 105099), (795, 89896), (901, 79320), (1020, 70066), (1060, 67422), (1272, 56185), (1322, 54060), (1590, 44948), (1802, 39660), (1983, 36040), (2040, 35033), (2120, 33711), (2644, 27030), (2703, 26440), (3180, 22474), (3305, 21624), (3604, 19830), (3966, 18020), (4505, 15864), (5288, 13515), (5406, 13220), (6360, 11237), (6610, 10812), (7208, 9915), (7932, 9010)]