331315720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:427

約数の個数: 128

約数和(自身を含む): 834559200

約数和(自身を除く): 503243480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 53, 58, 68, 85, 106, 116, 136, 145, 170, 212, 232, 265, 290, 317, 340, 424, 493, 530, 580, 634, 680, 901, 986, 1060, 1160, 1268, 1537, 1585, 1802, 1972, 2120, 2465, 2536, 3074, 3170, 3604, 3944, 4505, 4930, 5389, 6148, 6340, 7208, 7685, 9010, 9193, 9860, 10778, 12296, 12680, 15370, 16801, 18020, 18386, 19720, 21556, 26129, 26945, 30740, 33602, 36040, 36772, 43112, 45965, 52258, 53890, 61480, 67204, 73544, 84005, 91930, 104516, 107780, 130645, 134408, 156281, 168010, 183860, 209032, 215560, 261290, 285617, 312562, 336020, 367720, 487229, 522580, 571234, 625124, 672040, 781405, 974458, 1045160, 1142468, 1250248, 1428085, 1562810, 1948916, 2284936, 2436145, 2856170, 3125620, 3897832, 4872290, 5712340, 6251240, 8282893, 9744580, 11424680, 16565786, 19489160, 33131572, 41414465, 66263144, 82828930, 165657860, 331315720]

約数ペア:

[(1, 331315720), (2, 165657860), (4, 82828930), (5, 66263144), (8, 41414465), (10, 33131572), (17, 19489160), (20, 16565786), (29, 11424680), (34, 9744580), (40, 8282893), (53, 6251240), (58, 5712340), (68, 4872290), (85, 3897832), (106, 3125620), (116, 2856170), (136, 2436145), (145, 2284936), (170, 1948916), (212, 1562810), (232, 1428085), (265, 1250248), (290, 1142468), (317, 1045160), (340, 974458), (424, 781405), (493, 672040), (530, 625124), (580, 571234), (634, 522580), (680, 487229), (901, 367720), (986, 336020), (1060, 312562), (1160, 285617), (1268, 261290), (1537, 215560), (1585, 209032), (1802, 183860), (1972, 168010), (2120, 156281), (2465, 134408), (2536, 130645), (3074, 107780), (3170, 104516), (3604, 91930), (3944, 84005), (4505, 73544), (4930, 67204), (5389, 61480), (6148, 53890), (6340, 52258), (7208, 45965), (7685, 43112), (9010, 36772), (9193, 36040), (9860, 33602), (10778, 30740), (12296, 26945), (12680, 26129), (15370, 21556), (16801, 19720), (18020, 18386)]