28952040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:371

約数の個数: 128

約数和(自身を含む): 95276160

約数和(自身を除く): 66324120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 78, 104, 120, 130, 134, 156, 195, 201, 260, 268, 277, 312, 335, 390, 402, 520, 536, 554, 670, 780, 804, 831, 871, 1005, 1108, 1340, 1385, 1560, 1608, 1662, 1742, 2010, 2216, 2613, 2680, 2770, 3324, 3484, 3601, 4020, 4155, 4355, 5226, 5540, 6648, 6968, 7202, 8040, 8310, 8710, 10452, 10803, 11080, 13065, 14404, 16620, 17420, 18005, 18559, 20904, 21606, 26130, 28808, 33240, 34840, 36010, 37118, 43212, 52260, 54015, 55677, 72020, 74236, 86424, 92795, 104520, 108030, 111354, 144040, 148472, 185590, 216060, 222708, 241267, 278385, 371180, 432120, 445416, 482534, 556770, 723801, 742360, 965068, 1113540, 1206335, 1447602, 1930136, 2227080, 2412670, 2895204, 3619005, 4825340, 5790408, 7238010, 9650680, 14476020, 28952040]

約数ペア:

[(1, 28952040), (2, 14476020), (3, 9650680), (4, 7238010), (5, 5790408), (6, 4825340), (8, 3619005), (10, 2895204), (12, 2412670), (13, 2227080), (15, 1930136), (20, 1447602), (24, 1206335), (26, 1113540), (30, 965068), (39, 742360), (40, 723801), (52, 556770), (60, 482534), (65, 445416), (67, 432120), (78, 371180), (104, 278385), (120, 241267), (130, 222708), (134, 216060), (156, 185590), (195, 148472), (201, 144040), (260, 111354), (268, 108030), (277, 104520), (312, 92795), (335, 86424), (390, 74236), (402, 72020), (520, 55677), (536, 54015), (554, 52260), (670, 43212), (780, 37118), (804, 36010), (831, 34840), (871, 33240), (1005, 28808), (1108, 26130), (1340, 21606), (1385, 20904), (1560, 18559), (1608, 18005), (1662, 17420), (1742, 16620), (2010, 14404), (2216, 13065), (2613, 11080), (2680, 10803), (2770, 10452), (3324, 8710), (3484, 8310), (3601, 8040), (4020, 7202), (4155, 6968), (4355, 6648), (5226, 5540)]