25979220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1429}}^1$

素因数の和:1545

約数の個数: 72

約数和(自身を含む): 79639560

約数和(自身を除く): 53660340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1429, 1515, 1818, 2020, 2858, 3030, 3636, 4287, 4545, 5716, 6060, 7145, 8574, 9090, 12861, 14290, 17148, 18180, 21435, 25722, 28580, 42870, 51444, 64305, 85740, 128610, 144329, 257220, 288658, 432987, 577316, 721645, 865974, 1298961, 1443290, 1731948, 2164935, 2597922, 2886580, 4329870, 5195844, 6494805, 8659740, 12989610, 25979220]

約数ペア:

[(1, 25979220), (2, 12989610), (3, 8659740), (4, 6494805), (5, 5195844), (6, 4329870), (9, 2886580), (10, 2597922), (12, 2164935), (15, 1731948), (18, 1443290), (20, 1298961), (30, 865974), (36, 721645), (45, 577316), (60, 432987), (90, 288658), (101, 257220), (180, 144329), (202, 128610), (303, 85740), (404, 64305), (505, 51444), (606, 42870), (909, 28580), (1010, 25722), (1212, 21435), (1429, 18180), (1515, 17148), (1818, 14290), (2020, 12861), (2858, 9090), (3030, 8574), (3636, 7145), (4287, 6060), (4545, 5716)]