664500120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1031}}^1$

素因数の和:1217

約数の個数: 128

約数和(自身を含む): 2059706880

約数和(自身を除く): 1395206760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 131, 164, 205, 246, 262, 328, 393, 410, 492, 524, 615, 655, 786, 820, 984, 1031, 1048, 1230, 1310, 1572, 1640, 1965, 2062, 2460, 2620, 3093, 3144, 3930, 4124, 4920, 5155, 5240, 5371, 6186, 7860, 8248, 10310, 10742, 12372, 15465, 15720, 16113, 20620, 21484, 24744, 26855, 30930, 32226, 41240, 42271, 42968, 53710, 61860, 64452, 80565, 84542, 107420, 123720, 126813, 128904, 135061, 161130, 169084, 211355, 214840, 253626, 270122, 322260, 338168, 405183, 422710, 507252, 540244, 634065, 644520, 675305, 810366, 845420, 1014504, 1080488, 1268130, 1350610, 1620732, 1690840, 2025915, 2536260, 2701220, 3241464, 4051830, 5072520, 5402440, 5537501, 8103660, 11075002, 16207320, 16612503, 22150004, 27687505, 33225006, 44300008, 55375010, 66450012, 83062515, 110750020, 132900024, 166125030, 221500040, 332250060, 664500120]

約数ペア:

[(1, 664500120), (2, 332250060), (3, 221500040), (4, 166125030), (5, 132900024), (6, 110750020), (8, 83062515), (10, 66450012), (12, 55375010), (15, 44300008), (20, 33225006), (24, 27687505), (30, 22150004), (40, 16612503), (41, 16207320), (60, 11075002), (82, 8103660), (120, 5537501), (123, 5402440), (131, 5072520), (164, 4051830), (205, 3241464), (246, 2701220), (262, 2536260), (328, 2025915), (393, 1690840), (410, 1620732), (492, 1350610), (524, 1268130), (615, 1080488), (655, 1014504), (786, 845420), (820, 810366), (984, 675305), (1031, 644520), (1048, 634065), (1230, 540244), (1310, 507252), (1572, 422710), (1640, 405183), (1965, 338168), (2062, 322260), (2460, 270122), (2620, 253626), (3093, 214840), (3144, 211355), (3930, 169084), (4124, 161130), (4920, 135061), (5155, 128904), (5240, 126813), (5371, 123720), (6186, 107420), (7860, 84542), (8248, 80565), (10310, 64452), (10742, 61860), (12372, 53710), (15465, 42968), (15720, 42271), (16113, 41240), (20620, 32226), (21484, 30930), (24744, 26855)]