644280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:93

約数の個数: 128

約数和(自身を含む): 2419200

約数和(自身を除く): 1774920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 59, 60, 65, 70, 78, 84, 91, 104, 105, 118, 120, 130, 140, 156, 168, 177, 182, 195, 210, 236, 260, 273, 280, 295, 312, 354, 364, 390, 413, 420, 455, 472, 520, 546, 590, 708, 728, 767, 780, 826, 840, 885, 910, 1092, 1180, 1239, 1365, 1416, 1534, 1560, 1652, 1770, 1820, 2065, 2184, 2301, 2360, 2478, 2730, 3068, 3304, 3540, 3640, 3835, 4130, 4602, 4956, 5369, 5460, 6136, 6195, 7080, 7670, 8260, 9204, 9912, 10738, 10920, 11505, 12390, 15340, 16107, 16520, 18408, 21476, 23010, 24780, 26845, 30680, 32214, 42952, 46020, 49560, 53690, 64428, 80535, 92040, 107380, 128856, 161070, 214760, 322140, 644280]

約数ペア:

[(1, 644280), (2, 322140), (3, 214760), (4, 161070), (5, 128856), (6, 107380), (7, 92040), (8, 80535), (10, 64428), (12, 53690), (13, 49560), (14, 46020), (15, 42952), (20, 32214), (21, 30680), (24, 26845), (26, 24780), (28, 23010), (30, 21476), (35, 18408), (39, 16520), (40, 16107), (42, 15340), (52, 12390), (56, 11505), (59, 10920), (60, 10738), (65, 9912), (70, 9204), (78, 8260), (84, 7670), (91, 7080), (104, 6195), (105, 6136), (118, 5460), (120, 5369), (130, 4956), (140, 4602), (156, 4130), (168, 3835), (177, 3640), (182, 3540), (195, 3304), (210, 3068), (236, 2730), (260, 2478), (273, 2360), (280, 2301), (295, 2184), (312, 2065), (354, 1820), (364, 1770), (390, 1652), (413, 1560), (420, 1534), (455, 1416), (472, 1365), (520, 1239), (546, 1180), (590, 1092), (708, 910), (728, 885), (767, 840), (780, 826)]