259322727680

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1\times {\mathrm{5581}}^1$

素因数の和:6804

約数の個数: 144

約数和(自身を含む): 641858907648

約数和(自身を除く): 382536179968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1171, 1240, 1280, 1984, 2342, 2480, 3968, 4684, 4960, 5581, 5855, 7936, 9368, 9920, 11162, 11710, 18736, 19840, 22324, 23420, 27905, 36301, 37472, 39680, 44648, 46840, 55810, 72602, 74944, 89296, 93680, 111620, 145204, 149888, 173011, 178592, 181505, 187360, 223240, 290408, 299776, 346022, 357184, 363010, 374720, 446480, 580816, 692044, 714368, 726020, 749440, 865055, 892960, 1161632, 1384088, 1428736, 1452040, 1498880, 1730110, 1785920, 2323264, 2768176, 2904080, 3460220, 3571840, 4646528, 5536352, 5808160, 6535351, 6920440, 7143680, 9293056, 11072704, 11616320, 13070702, 13840880, 22145408, 23232640, 26141404, 27681760, 32676755, 44290816, 46465280, 52282808, 55363520, 65353510, 104565616, 110727040, 130707020, 202595881, 209131232, 221454080, 261414040, 405191762, 418262464, 522828080, 810383524, 836524928, 1012979405, 1045656160, 1620767048, 1673049856, 2025958810, 2091312320, 3241534096, 4051917620, 4182624640, 6483068192, 8103835240, 8365249280, 12966136384, 16207670480, 25932272768, 32415340960, 51864545536, 64830681920, 129661363840, 259322727680]

約数ペア:

[(1, 259322727680), (2, 129661363840), (4, 64830681920), (5, 51864545536), (8, 32415340960), (10, 25932272768), (16, 16207670480), (20, 12966136384), (31, 8365249280), (32, 8103835240), (40, 6483068192), (62, 4182624640), (64, 4051917620), (80, 3241534096), (124, 2091312320), (128, 2025958810), (155, 1673049856), (160, 1620767048), (248, 1045656160), (256, 1012979405), (310, 836524928), (320, 810383524), (496, 522828080), (620, 418262464), (640, 405191762), (992, 261414040), (1171, 221454080), (1240, 209131232), (1280, 202595881), (1984, 130707020), (2342, 110727040), (2480, 104565616), (3968, 65353510), (4684, 55363520), (4960, 52282808), (5581, 46465280), (5855, 44290816), (7936, 32676755), (9368, 27681760), (9920, 26141404), (11162, 23232640), (11710, 22145408), (18736, 13840880), (19840, 13070702), (22324, 11616320), (23420, 11072704), (27905, 9293056), (36301, 7143680), (37472, 6920440), (39680, 6535351), (44648, 5808160), (46840, 5536352), (55810, 4646528), (72602, 3571840), (74944, 3460220), (89296, 2904080), (93680, 2768176), (111620, 2323264), (145204, 1785920), (149888, 1730110), (173011, 1498880), (178592, 1452040), (181505, 1428736), (187360, 1384088), (223240, 1161632), (290408, 892960), (299776, 865055), (346022, 749440), (357184, 726020), (363010, 714368), (374720, 692044), (446480, 580816)]