71867640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2003}}^1$

素因数の和:2053

約数の個数: 128

約数和(自身を含む): 242403840

約数和(自身を除く): 170536200

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, 2003, 2392, 2760, 2990, 3588, 4006, 4485, 5980, 6009, 7176, 8012, 8970, 10015, 11960, 12018, 16024, 17940, 20030, 24036, 26039, 30045, 35880, 40060, 46069, 48072, 52078, 60090, 78117, 80120, 92138, 104156, 120180, 130195, 138207, 156234, 184276, 208312, 230345, 240360, 260390, 276414, 312468, 368552, 390585, 460690, 520780, 552828, 598897, 624936, 691035, 781170, 921380, 1041560, 1105656, 1197794, 1382070, 1562340, 1796691, 1842760, 2395588, 2764140, 2994485, 3124680, 3593382, 4791176, 5528280, 5988970, 7186764, 8983455, 11977940, 14373528, 17966910, 23955880, 35933820, 71867640]

約数ペア:

[(1, 71867640), (2, 35933820), (3, 23955880), (4, 17966910), (5, 14373528), (6, 11977940), (8, 8983455), (10, 7186764), (12, 5988970), (13, 5528280), (15, 4791176), (20, 3593382), (23, 3124680), (24, 2994485), (26, 2764140), (30, 2395588), (39, 1842760), (40, 1796691), (46, 1562340), (52, 1382070), (60, 1197794), (65, 1105656), (69, 1041560), (78, 921380), (92, 781170), (104, 691035), (115, 624936), (120, 598897), (130, 552828), (138, 520780), (156, 460690), (184, 390585), (195, 368552), (230, 312468), (260, 276414), (276, 260390), (299, 240360), (312, 230345), (345, 208312), (390, 184276), (460, 156234), (520, 138207), (552, 130195), (598, 120180), (690, 104156), (780, 92138), (897, 80120), (920, 78117), (1196, 60090), (1380, 52078), (1495, 48072), (1560, 46069), (1794, 40060), (2003, 35880), (2392, 30045), (2760, 26039), (2990, 24036), (3588, 20030), (4006, 17940), (4485, 16024), (5980, 12018), (6009, 11960), (7176, 10015), (8012, 8970)]