1284540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 3655680

約数和(自身を除く): 2371140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 271, 316, 395, 474, 542, 790, 813, 948, 1084, 1185, 1355, 1580, 1626, 2370, 2710, 3252, 4065, 4740, 5420, 8130, 16260, 21409, 42818, 64227, 85636, 107045, 128454, 214090, 256908, 321135, 428180, 642270, 1284540]

約数ペア:

[(1, 1284540), (2, 642270), (3, 428180), (4, 321135), (5, 256908), (6, 214090), (10, 128454), (12, 107045), (15, 85636), (20, 64227), (30, 42818), (60, 21409), (79, 16260), (158, 8130), (237, 5420), (271, 4740), (316, 4065), (395, 3252), (474, 2710), (542, 2370), (790, 1626), (813, 1580), (948, 1355), (1084, 1185)]