215577960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138191}}^1$

素因数の和:138218

約数の個数: 64

約数和(自身を含む): 696487680

約数和(自身を除く): 480909720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 138191, 276382, 414573, 552764, 690955, 829146, 1105528, 1381910, 1658292, 1796483, 2072865, 2763820, 3316584, 3592966, 4145730, 5389449, 5527640, 7185932, 8291460, 8982415, 10778898, 14371864, 16582920, 17964830, 21557796, 26947245, 35929660, 43115592, 53894490, 71859320, 107788980, 215577960]

約数ペア:

[(1, 215577960), (2, 107788980), (3, 71859320), (4, 53894490), (5, 43115592), (6, 35929660), (8, 26947245), (10, 21557796), (12, 17964830), (13, 16582920), (15, 14371864), (20, 10778898), (24, 8982415), (26, 8291460), (30, 7185932), (39, 5527640), (40, 5389449), (52, 4145730), (60, 3592966), (65, 3316584), (78, 2763820), (104, 2072865), (120, 1796483), (130, 1658292), (156, 1381910), (195, 1105528), (260, 829146), (312, 690955), (390, 552764), (520, 414573), (780, 276382), (1560, 138191)]