15698420140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{397}}^1\times {\mathrm{11699}}^1$

素因数の和:12131

約数の個数: 72

約数和(自身を含む): 35790627600

約数和(自身を除く): 20092207460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 397, 676, 794, 845, 1588, 1690, 1985, 3380, 3970, 5161, 7940, 10322, 11699, 20644, 23398, 25805, 46796, 51610, 58495, 67093, 103220, 116990, 134186, 152087, 233980, 268372, 304174, 335465, 608348, 670930, 760435, 1341860, 1520870, 1977131, 3041740, 3954262, 4644503, 7908524, 9289006, 9885655, 18578012, 19771310, 23222515, 39542620, 46445030, 60378539, 92890060, 120757078, 241514156, 301892695, 603785390, 784921007, 1207570780, 1569842014, 3139684028, 3924605035, 7849210070, 15698420140]

約数ペア:

[(1, 15698420140), (2, 7849210070), (4, 3924605035), (5, 3139684028), (10, 1569842014), (13, 1207570780), (20, 784921007), (26, 603785390), (52, 301892695), (65, 241514156), (130, 120757078), (169, 92890060), (260, 60378539), (338, 46445030), (397, 39542620), (676, 23222515), (794, 19771310), (845, 18578012), (1588, 9885655), (1690, 9289006), (1985, 7908524), (3380, 4644503), (3970, 3954262), (5161, 3041740), (7940, 1977131), (10322, 1520870), (11699, 1341860), (20644, 760435), (23398, 670930), (25805, 608348), (46796, 335465), (51610, 304174), (58495, 268372), (67093, 233980), (103220, 152087), (116990, 134186)]