157317820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 374927616

約数和(自身を除く): 217609796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 107, 110, 163, 164, 205, 214, 220, 326, 410, 428, 451, 535, 652, 815, 820, 902, 1070, 1177, 1630, 1793, 1804, 2140, 2255, 2354, 3260, 3586, 4387, 4510, 4708, 5885, 6683, 7172, 8774, 8965, 9020, 11770, 13366, 17441, 17548, 17930, 21935, 23540, 26732, 33415, 34882, 35860, 43870, 48257, 66830, 69764, 73513, 87205, 87740, 96514, 133660, 147026, 174410, 191851, 193028, 241285, 294052, 348820, 367565, 383702, 482570, 715081, 735130, 767404, 959255, 965140, 1430162, 1470260, 1918510, 2860324, 3575405, 3837020, 7150810, 7865891, 14301620, 15731782, 31463564, 39329455, 78658910, 157317820]

約数ペア:

[(1, 157317820), (2, 78658910), (4, 39329455), (5, 31463564), (10, 15731782), (11, 14301620), (20, 7865891), (22, 7150810), (41, 3837020), (44, 3575405), (55, 2860324), (82, 1918510), (107, 1470260), (110, 1430162), (163, 965140), (164, 959255), (205, 767404), (214, 735130), (220, 715081), (326, 482570), (410, 383702), (428, 367565), (451, 348820), (535, 294052), (652, 241285), (815, 193028), (820, 191851), (902, 174410), (1070, 147026), (1177, 133660), (1630, 96514), (1793, 87740), (1804, 87205), (2140, 73513), (2255, 69764), (2354, 66830), (3260, 48257), (3586, 43870), (4387, 35860), (4510, 34882), (4708, 33415), (5885, 26732), (6683, 23540), (7172, 21935), (8774, 17930), (8965, 17548), (9020, 17441), (11770, 13366)]