21823085440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{70891}}^1$

素因数の和:70960

約数の個数: 128

約数和(自身を含む): 57703252320

約数和(自身を除く): 35880166880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 185, 208, 260, 296, 320, 370, 416, 481, 520, 592, 640, 740, 832, 962, 1040, 1184, 1480, 1664, 1924, 2080, 2368, 2405, 2960, 3848, 4160, 4736, 4810, 5920, 7696, 8320, 9620, 11840, 15392, 19240, 23680, 30784, 38480, 61568, 70891, 76960, 141782, 153920, 283564, 307840, 354455, 567128, 708910, 921583, 1134256, 1417820, 1843166, 2268512, 2622967, 2835640, 3686332, 4537024, 4607915, 5245934, 5671280, 7372664, 9074048, 9215830, 10491868, 11342560, 13114835, 14745328, 18431660, 20983736, 22685120, 26229670, 29490656, 34098571, 36863320, 41967472, 45370240, 52459340, 58981312, 68197142, 73726640, 83934944, 104918680, 117962624, 136394284, 147453280, 167869888, 170492855, 209837360, 272788568, 294906560, 335739776, 340985710, 419674720, 545577136, 589813120, 681971420, 839349440, 1091154272, 1363942840, 1678698880, 2182308544, 2727885680, 4364617088, 5455771360, 10911542720, 21823085440]

約数ペア:

[(1, 21823085440), (2, 10911542720), (4, 5455771360), (5, 4364617088), (8, 2727885680), (10, 2182308544), (13, 1678698880), (16, 1363942840), (20, 1091154272), (26, 839349440), (32, 681971420), (37, 589813120), (40, 545577136), (52, 419674720), (64, 340985710), (65, 335739776), (74, 294906560), (80, 272788568), (104, 209837360), (128, 170492855), (130, 167869888), (148, 147453280), (160, 136394284), (185, 117962624), (208, 104918680), (260, 83934944), (296, 73726640), (320, 68197142), (370, 58981312), (416, 52459340), (481, 45370240), (520, 41967472), (592, 36863320), (640, 34098571), (740, 29490656), (832, 26229670), (962, 22685120), (1040, 20983736), (1184, 18431660), (1480, 14745328), (1664, 13114835), (1924, 11342560), (2080, 10491868), (2368, 9215830), (2405, 9074048), (2960, 7372664), (3848, 5671280), (4160, 5245934), (4736, 4607915), (4810, 4537024), (5920, 3686332), (7696, 2835640), (8320, 2622967), (9620, 2268512), (11840, 1843166), (15392, 1417820), (19240, 1134256), (23680, 921583), (30784, 708910), (38480, 567128), (61568, 354455), (70891, 307840), (76960, 283564), (141782, 153920)]