66987960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1867}}^1$

素因数の和:1917

約数の個数: 128

約数和(自身を含む): 225953280

約数和(自身を除く): 158965320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 1867, 2392, 2760, 2990, 3588, 3734, 4485, 5601, 5980, 7176, 7468, 8970, 9335, 11202, 11960, 14936, 17940, 18670, 22404, 24271, 28005, 35880, 37340, 42941, 44808, 48542, 56010, 72813, 74680, 85882, 97084, 112020, 121355, 128823, 145626, 171764, 194168, 214705, 224040, 242710, 257646, 291252, 343528, 364065, 429410, 485420, 515292, 558233, 582504, 644115, 728130, 858820, 970840, 1030584, 1116466, 1288230, 1456260, 1674699, 1717640, 2232932, 2576460, 2791165, 2912520, 3349398, 4465864, 5152920, 5582330, 6698796, 8373495, 11164660, 13397592, 16746990, 22329320, 33493980, 66987960]

約数ペア:

[(1, 66987960), (2, 33493980), (3, 22329320), (4, 16746990), (5, 13397592), (6, 11164660), (8, 8373495), (10, 6698796), (12, 5582330), (13, 5152920), (15, 4465864), (20, 3349398), (23, 2912520), (24, 2791165), (26, 2576460), (30, 2232932), (39, 1717640), (40, 1674699), (46, 1456260), (52, 1288230), (60, 1116466), (65, 1030584), (69, 970840), (78, 858820), (92, 728130), (104, 644115), (115, 582504), (120, 558233), (130, 515292), (138, 485420), (156, 429410), (184, 364065), (195, 343528), (230, 291252), (260, 257646), (276, 242710), (299, 224040), (312, 214705), (345, 194168), (390, 171764), (460, 145626), (520, 128823), (552, 121355), (598, 112020), (690, 97084), (780, 85882), (897, 74680), (920, 72813), (1196, 56010), (1380, 48542), (1495, 44808), (1560, 42941), (1794, 37340), (1867, 35880), (2392, 28005), (2760, 24271), (2990, 22404), (3588, 18670), (3734, 17940), (4485, 14936), (5601, 11960), (5980, 11202), (7176, 9335), (7468, 8970)]