838980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 2620800

約数和(自身を除く): 1781820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 79, 90, 118, 158, 177, 180, 236, 237, 295, 316, 354, 395, 474, 531, 590, 708, 711, 790, 885, 948, 1062, 1180, 1185, 1422, 1580, 1770, 2124, 2370, 2655, 2844, 3540, 3555, 4661, 4740, 5310, 7110, 9322, 10620, 13983, 14220, 18644, 23305, 27966, 41949, 46610, 55932, 69915, 83898, 93220, 139830, 167796, 209745, 279660, 419490, 838980]

約数ペア:

[(1, 838980), (2, 419490), (3, 279660), (4, 209745), (5, 167796), (6, 139830), (9, 93220), (10, 83898), (12, 69915), (15, 55932), (18, 46610), (20, 41949), (30, 27966), (36, 23305), (45, 18644), (59, 14220), (60, 13983), (79, 10620), (90, 9322), (118, 7110), (158, 5310), (177, 4740), (180, 4661), (236, 3555), (237, 3540), (295, 2844), (316, 2655), (354, 2370), (395, 2124), (474, 1770), (531, 1580), (590, 1422), (708, 1185), (711, 1180), (790, 1062), (885, 948)]