72868120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8243}}^1$

素因数の和:8284

約数の個数: 64

約数和(自身を含む): 186973920

約数和(自身を除く): 114105800

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8243, 8840, 16486, 32972, 41215, 65944, 82430, 107159, 140131, 164860, 214318, 280262, 329720, 428636, 535795, 560524, 700655, 857272, 1071590, 1121048, 1401310, 1821703, 2143180, 2802620, 3643406, 4286360, 5605240, 7286812, 9108515, 14573624, 18217030, 36434060, 72868120]

約数ペア:

[(1, 72868120), (2, 36434060), (4, 18217030), (5, 14573624), (8, 9108515), (10, 7286812), (13, 5605240), (17, 4286360), (20, 3643406), (26, 2802620), (34, 2143180), (40, 1821703), (52, 1401310), (65, 1121048), (68, 1071590), (85, 857272), (104, 700655), (130, 560524), (136, 535795), (170, 428636), (221, 329720), (260, 280262), (340, 214318), (442, 164860), (520, 140131), (680, 107159), (884, 82430), (1105, 65944), (1768, 41215), (2210, 32972), (4420, 16486), (8243, 8840)]