1245016240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1407

約数の個数: 120

約数和(自身を含む): 3181055328

約数和(自身を除く): 1936039088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 169, 208, 260, 284, 338, 355, 520, 568, 676, 710, 845, 923, 1040, 1136, 1297, 1352, 1420, 1690, 1846, 2594, 2704, 2840, 3380, 3692, 4615, 5188, 5680, 6485, 6760, 7384, 9230, 10376, 11999, 12970, 13520, 14768, 16861, 18460, 20752, 23998, 25940, 33722, 36920, 47996, 51880, 59995, 67444, 73840, 84305, 92087, 95992, 103760, 119990, 134888, 168610, 184174, 191984, 219193, 239980, 269776, 337220, 368348, 438386, 460435, 479960, 674440, 736696, 876772, 920870, 959920, 1095965, 1197131, 1348880, 1473392, 1753544, 1841740, 2191930, 2394262, 3507088, 3683480, 4383860, 4788524, 5985655, 7366960, 8767720, 9577048, 11971310, 15562703, 17535440, 19154096, 23942620, 31125406, 47885240, 62250812, 77813515, 95770480, 124501624, 155627030, 249003248, 311254060, 622508120, 1245016240]

約数ペア:

[(1, 1245016240), (2, 622508120), (4, 311254060), (5, 249003248), (8, 155627030), (10, 124501624), (13, 95770480), (16, 77813515), (20, 62250812), (26, 47885240), (40, 31125406), (52, 23942620), (65, 19154096), (71, 17535440), (80, 15562703), (104, 11971310), (130, 9577048), (142, 8767720), (169, 7366960), (208, 5985655), (260, 4788524), (284, 4383860), (338, 3683480), (355, 3507088), (520, 2394262), (568, 2191930), (676, 1841740), (710, 1753544), (845, 1473392), (923, 1348880), (1040, 1197131), (1136, 1095965), (1297, 959920), (1352, 920870), (1420, 876772), (1690, 736696), (1846, 674440), (2594, 479960), (2704, 460435), (2840, 438386), (3380, 368348), (3692, 337220), (4615, 269776), (5188, 239980), (5680, 219193), (6485, 191984), (6760, 184174), (7384, 168610), (9230, 134888), (10376, 119990), (11999, 103760), (12970, 95992), (13520, 92087), (14768, 84305), (16861, 73840), (18460, 67444), (20752, 59995), (23998, 51880), (25940, 47996), (33722, 36920)]