71954480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1609}}^1$

素因数の和:1678

約数の個数: 80

約数和(自身を含む): 184467360

約数和(自身を除く): 112512880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1609, 1720, 2236, 2795, 3218, 3440, 4472, 5590, 6436, 8045, 8944, 11180, 12872, 16090, 20917, 22360, 25744, 32180, 41834, 44720, 64360, 69187, 83668, 104585, 128720, 138374, 167336, 209170, 276748, 334672, 345935, 418340, 553496, 691870, 836680, 899431, 1106992, 1383740, 1673360, 1798862, 2767480, 3597724, 4497155, 5534960, 7195448, 8994310, 14390896, 17988620, 35977240, 71954480]

約数ペア:

[(1, 71954480), (2, 35977240), (4, 17988620), (5, 14390896), (8, 8994310), (10, 7195448), (13, 5534960), (16, 4497155), (20, 3597724), (26, 2767480), (40, 1798862), (43, 1673360), (52, 1383740), (65, 1106992), (80, 899431), (86, 836680), (104, 691870), (130, 553496), (172, 418340), (208, 345935), (215, 334672), (260, 276748), (344, 209170), (430, 167336), (520, 138374), (559, 128720), (688, 104585), (860, 83668), (1040, 69187), (1118, 64360), (1609, 44720), (1720, 41834), (2236, 32180), (2795, 25744), (3218, 22360), (3440, 20917), (4472, 16090), (5590, 12872), (6436, 11180), (8045, 8944)]