320440410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{27179}}^1$

素因数の和:27323

約数の個数: 48

約数和(自身を含む): 839535840

約数和(自身を除く): 519095430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1965, 2358, 3930, 5895, 11790, 27179, 54358, 81537, 135895, 163074, 244611, 271790, 407685, 489222, 815370, 1223055, 2446110, 3560449, 7120898, 10681347, 17802245, 21362694, 32044041, 35604490, 53406735, 64088082, 106813470, 160220205, 320440410]

約数ペア:

[(1, 320440410), (2, 160220205), (3, 106813470), (5, 64088082), (6, 53406735), (9, 35604490), (10, 32044041), (15, 21362694), (18, 17802245), (30, 10681347), (45, 7120898), (90, 3560449), (131, 2446110), (262, 1223055), (393, 815370), (655, 489222), (786, 407685), (1179, 271790), (1310, 244611), (1965, 163074), (2358, 135895), (3930, 81537), (5895, 54358), (11790, 27179)]