7210720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:284

約数の個数: 96

約数和(自身を含む): 19758816

約数和(自身を除く): 12548096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 241, 272, 340, 352, 374, 440, 482, 544, 680, 748, 880, 935, 964, 1205, 1360, 1496, 1760, 1870, 1928, 2410, 2651, 2720, 2992, 3740, 3856, 4097, 4820, 5302, 5984, 7480, 7712, 8194, 9640, 10604, 13255, 14960, 16388, 19280, 20485, 21208, 26510, 29920, 32776, 38560, 40970, 42416, 45067, 53020, 65552, 81940, 84832, 90134, 106040, 131104, 163880, 180268, 212080, 225335, 327760, 360536, 424160, 450670, 655520, 721072, 901340, 1442144, 1802680, 3605360, 7210720]

約数ペア:

[(1, 7210720), (2, 3605360), (4, 1802680), (5, 1442144), (8, 901340), (10, 721072), (11, 655520), (16, 450670), (17, 424160), (20, 360536), (22, 327760), (32, 225335), (34, 212080), (40, 180268), (44, 163880), (55, 131104), (68, 106040), (80, 90134), (85, 84832), (88, 81940), (110, 65552), (136, 53020), (160, 45067), (170, 42416), (176, 40970), (187, 38560), (220, 32776), (241, 29920), (272, 26510), (340, 21208), (352, 20485), (374, 19280), (440, 16388), (482, 14960), (544, 13255), (680, 10604), (748, 9640), (880, 8194), (935, 7712), (964, 7480), (1205, 5984), (1360, 5302), (1496, 4820), (1760, 4097), (1870, 3856), (1928, 3740), (2410, 2992), (2651, 2720)]