81177200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:331

約数の個数: 120

約数和(自身を含む): 214080048

約数和(自身を除く): 132902848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 67, 80, 100, 104, 130, 134, 200, 208, 233, 260, 268, 325, 335, 400, 466, 520, 536, 650, 670, 871, 932, 1040, 1072, 1165, 1300, 1340, 1675, 1742, 1864, 2330, 2600, 2680, 3029, 3350, 3484, 3728, 4355, 4660, 5200, 5360, 5825, 6058, 6700, 6968, 8710, 9320, 11650, 12116, 13400, 13936, 15145, 15611, 17420, 18640, 21775, 23300, 24232, 26800, 30290, 31222, 34840, 43550, 46600, 48464, 60580, 62444, 69680, 75725, 78055, 87100, 93200, 121160, 124888, 151450, 156110, 174200, 202943, 242320, 249776, 302900, 312220, 348400, 390275, 405886, 605800, 624440, 780550, 811772, 1014715, 1211600, 1248880, 1561100, 1623544, 2029430, 3122200, 3247088, 4058860, 5073575, 6244400, 8117720, 10147150, 16235440, 20294300, 40588600, 81177200]

約数ペア:

[(1, 81177200), (2, 40588600), (4, 20294300), (5, 16235440), (8, 10147150), (10, 8117720), (13, 6244400), (16, 5073575), (20, 4058860), (25, 3247088), (26, 3122200), (40, 2029430), (50, 1623544), (52, 1561100), (65, 1248880), (67, 1211600), (80, 1014715), (100, 811772), (104, 780550), (130, 624440), (134, 605800), (200, 405886), (208, 390275), (233, 348400), (260, 312220), (268, 302900), (325, 249776), (335, 242320), (400, 202943), (466, 174200), (520, 156110), (536, 151450), (650, 124888), (670, 121160), (871, 93200), (932, 87100), (1040, 78055), (1072, 75725), (1165, 69680), (1300, 62444), (1340, 60580), (1675, 48464), (1742, 46600), (1864, 43550), (2330, 34840), (2600, 31222), (2680, 30290), (3029, 26800), (3350, 24232), (3484, 23300), (3728, 21775), (4355, 18640), (4660, 17420), (5200, 15611), (5360, 15145), (5825, 13936), (6058, 13400), (6700, 12116), (6968, 11650), (8710, 9320)]