1640765726896

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1\times {\mathrm{6961}}^1$

素因数の和:7758

約数の個数: 80

約数和(自身を含む): 3220927528000

約数和(自身を除く): 1580161801104

約数列:

[1, 2, 4, 8, 16, 181, 199, 362, 398, 409, 724, 796, 818, 1448, 1592, 1636, 2896, 3184, 3272, 6544, 6961, 13922, 27844, 36019, 55688, 72038, 74029, 81391, 111376, 144076, 148058, 162782, 288152, 296116, 325564, 576304, 592232, 651128, 1184464, 1259941, 1302256, 1385239, 2519882, 2770478, 2847049, 5039764, 5540956, 5694098, 10079528, 11081912, 11388196, 14731771, 20159056, 22163824, 22776392, 29463542, 45552784, 58927084, 117854168, 235708336, 250728259, 501456518, 515315869, 566562751, 1002913036, 1030631738, 1133125502, 2005826072, 2061263476, 2266251004, 4011652144, 4122526952, 4532502008, 8245053904, 9065004016, 102547857931, 205095715862, 410191431724, 820382863448, 1640765726896]

約数ペア:

[(1, 1640765726896), (2, 820382863448), (4, 410191431724), (8, 205095715862), (16, 102547857931), (181, 9065004016), (199, 8245053904), (362, 4532502008), (398, 4122526952), (409, 4011652144), (724, 2266251004), (796, 2061263476), (818, 2005826072), (1448, 1133125502), (1592, 1030631738), (1636, 1002913036), (2896, 566562751), (3184, 515315869), (3272, 501456518), (6544, 250728259), (6961, 235708336), (13922, 117854168), (27844, 58927084), (36019, 45552784), (55688, 29463542), (72038, 22776392), (74029, 22163824), (81391, 20159056), (111376, 14731771), (144076, 11388196), (148058, 11081912), (162782, 10079528), (288152, 5694098), (296116, 5540956), (325564, 5039764), (576304, 2847049), (592232, 2770478), (651128, 2519882), (1184464, 1385239), (1259941, 1302256)]