156932780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1429}}^1$

素因数の和:1491

約数の個数: 72

約数和(自身を含む): 368768400

約数和(自身を除く): 211835620

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 380, 578, 646, 1156, 1292, 1429, 1445, 1615, 2858, 2890, 3230, 5491, 5716, 5780, 6460, 7145, 10982, 14290, 21964, 24293, 27151, 27455, 28580, 48586, 54302, 54910, 97172, 108604, 109820, 121465, 135755, 242930, 271510, 412981, 461567, 485860, 543020, 825962, 923134, 1651924, 1846268, 2064905, 2307835, 4129810, 4615670, 7846639, 8259620, 9231340, 15693278, 31386556, 39233195, 78466390, 156932780]

約数ペア:

[(1, 156932780), (2, 78466390), (4, 39233195), (5, 31386556), (10, 15693278), (17, 9231340), (19, 8259620), (20, 7846639), (34, 4615670), (38, 4129810), (68, 2307835), (76, 2064905), (85, 1846268), (95, 1651924), (170, 923134), (190, 825962), (289, 543020), (323, 485860), (340, 461567), (380, 412981), (578, 271510), (646, 242930), (1156, 135755), (1292, 121465), (1429, 109820), (1445, 108604), (1615, 97172), (2858, 54910), (2890, 54302), (3230, 48586), (5491, 28580), (5716, 27455), (5780, 27151), (6460, 24293), (7145, 21964), (10982, 14290)]