71783920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3001}}^1$

素因数の和:3050

約数の個数: 80

約数和(自身を含む): 187612992

約数和(自身を除く): 115829072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 3001, 4784, 5980, 6002, 11960, 12004, 15005, 23920, 24008, 30010, 39013, 48016, 60020, 69023, 78026, 120040, 138046, 156052, 195065, 240080, 276092, 312104, 345115, 390130, 552184, 624208, 690230, 780260, 897299, 1104368, 1380460, 1560520, 1794598, 2760920, 3121040, 3589196, 4486495, 5521840, 7178392, 8972990, 14356784, 17945980, 35891960, 71783920]

約数ペア:

[(1, 71783920), (2, 35891960), (4, 17945980), (5, 14356784), (8, 8972990), (10, 7178392), (13, 5521840), (16, 4486495), (20, 3589196), (23, 3121040), (26, 2760920), (40, 1794598), (46, 1560520), (52, 1380460), (65, 1104368), (80, 897299), (92, 780260), (104, 690230), (115, 624208), (130, 552184), (184, 390130), (208, 345115), (230, 312104), (260, 276092), (299, 240080), (368, 195065), (460, 156052), (520, 138046), (598, 120040), (920, 78026), (1040, 69023), (1196, 60020), (1495, 48016), (1840, 39013), (2392, 30010), (2990, 24008), (3001, 23920), (4784, 15005), (5980, 12004), (6002, 11960)]