898496560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^3$

素因数の和:148

約数の個数: 160

約数和(自身を含む): 2404846080

約数和(自身を除く): 1506349520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 31, 40, 52, 58, 62, 65, 80, 104, 116, 124, 130, 145, 155, 208, 232, 248, 260, 290, 310, 377, 403, 464, 496, 520, 580, 620, 754, 806, 899, 961, 1040, 1160, 1240, 1508, 1612, 1798, 1885, 1922, 2015, 2320, 2480, 3016, 3224, 3596, 3770, 3844, 4030, 4495, 4805, 6032, 6448, 7192, 7540, 7688, 8060, 8990, 9610, 11687, 12493, 14384, 15080, 15376, 16120, 17980, 19220, 23374, 24986, 27869, 29791, 30160, 32240, 35960, 38440, 46748, 49972, 55738, 58435, 59582, 62465, 71920, 76880, 93496, 99944, 111476, 116870, 119164, 124930, 139345, 148955, 186992, 199888, 222952, 233740, 238328, 249860, 278690, 297910, 362297, 387283, 445904, 467480, 476656, 499720, 557380, 595820, 724594, 774566, 863939, 934960, 999440, 1114760, 1191640, 1449188, 1549132, 1727878, 1811485, 1936415, 2229520, 2383280, 2898376, 3098264, 3455756, 3622970, 3872830, 4319695, 5796752, 6196528, 6911512, 7245940, 7745660, 8639390, 11231207, 13823024, 14491880, 15491320, 17278780, 22462414, 28983760, 30982640, 34557560, 44924828, 56156035, 69115120, 89849656, 112312070, 179699312, 224624140, 449248280, 898496560]

約数ペア:

[(1, 898496560), (2, 449248280), (4, 224624140), (5, 179699312), (8, 112312070), (10, 89849656), (13, 69115120), (16, 56156035), (20, 44924828), (26, 34557560), (29, 30982640), (31, 28983760), (40, 22462414), (52, 17278780), (58, 15491320), (62, 14491880), (65, 13823024), (80, 11231207), (104, 8639390), (116, 7745660), (124, 7245940), (130, 6911512), (145, 6196528), (155, 5796752), (208, 4319695), (232, 3872830), (248, 3622970), (260, 3455756), (290, 3098264), (310, 2898376), (377, 2383280), (403, 2229520), (464, 1936415), (496, 1811485), (520, 1727878), (580, 1549132), (620, 1449188), (754, 1191640), (806, 1114760), (899, 999440), (961, 934960), (1040, 863939), (1160, 774566), (1240, 724594), (1508, 595820), (1612, 557380), (1798, 499720), (1885, 476656), (1922, 467480), (2015, 445904), (2320, 387283), (2480, 362297), (3016, 297910), (3224, 278690), (3596, 249860), (3770, 238328), (3844, 233740), (4030, 222952), (4495, 199888), (4805, 186992), (6032, 148955), (6448, 139345), (7192, 124930), (7540, 119164), (7688, 116870), (8060, 111476), (8990, 99944), (9610, 93496), (11687, 76880), (12493, 71920), (14384, 62465), (15080, 59582), (15376, 58435), (16120, 55738), (17980, 49972), (19220, 46748), (23374, 38440), (24986, 35960), (27869, 32240), (29791, 30160)]