120820440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1889}}^1$

素因数の和:1957

約数の個数: 128

約数和(自身を含む): 400075200

約数和(自身を除く): 279254760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 41, 52, 60, 65, 78, 82, 104, 120, 123, 130, 156, 164, 195, 205, 246, 260, 312, 328, 390, 410, 492, 520, 533, 615, 780, 820, 984, 1066, 1230, 1560, 1599, 1640, 1889, 2132, 2460, 2665, 3198, 3778, 4264, 4920, 5330, 5667, 6396, 7556, 7995, 9445, 10660, 11334, 12792, 15112, 15990, 18890, 21320, 22668, 24557, 28335, 31980, 37780, 45336, 49114, 56670, 63960, 73671, 75560, 77449, 98228, 113340, 122785, 147342, 154898, 196456, 226680, 232347, 245570, 294684, 309796, 368355, 387245, 464694, 491140, 589368, 619592, 736710, 774490, 929388, 982280, 1006837, 1161735, 1473420, 1548980, 1858776, 2013674, 2323470, 2946840, 3020511, 3097960, 4027348, 4646940, 5034185, 6041022, 8054696, 9293880, 10068370, 12082044, 15102555, 20136740, 24164088, 30205110, 40273480, 60410220, 120820440]

約数ペア:

[(1, 120820440), (2, 60410220), (3, 40273480), (4, 30205110), (5, 24164088), (6, 20136740), (8, 15102555), (10, 12082044), (12, 10068370), (13, 9293880), (15, 8054696), (20, 6041022), (24, 5034185), (26, 4646940), (30, 4027348), (39, 3097960), (40, 3020511), (41, 2946840), (52, 2323470), (60, 2013674), (65, 1858776), (78, 1548980), (82, 1473420), (104, 1161735), (120, 1006837), (123, 982280), (130, 929388), (156, 774490), (164, 736710), (195, 619592), (205, 589368), (246, 491140), (260, 464694), (312, 387245), (328, 368355), (390, 309796), (410, 294684), (492, 245570), (520, 232347), (533, 226680), (615, 196456), (780, 154898), (820, 147342), (984, 122785), (1066, 113340), (1230, 98228), (1560, 77449), (1599, 75560), (1640, 73671), (1889, 63960), (2132, 56670), (2460, 49114), (2665, 45336), (3198, 37780), (3778, 31980), (4264, 28335), (4920, 24557), (5330, 22668), (5667, 21320), (6396, 18890), (7556, 15990), (7995, 15112), (9445, 12792), (10660, 11334)]