1555804540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{4073}}^1$

素因数の和:4422

約数の個数: 48

約数和(自身を含む): 3326339520

約数和(自身を除く): 1770534980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 269, 284, 355, 538, 710, 1076, 1345, 1420, 2690, 4073, 5380, 8146, 16292, 19099, 20365, 38198, 40730, 76396, 81460, 95495, 190990, 289183, 381980, 578366, 1095637, 1156732, 1445915, 2191274, 2891830, 4382548, 5478185, 5783660, 10956370, 21912740, 77790227, 155580454, 311160908, 388951135, 777902270, 1555804540]

約数ペア:

[(1, 1555804540), (2, 777902270), (4, 388951135), (5, 311160908), (10, 155580454), (20, 77790227), (71, 21912740), (142, 10956370), (269, 5783660), (284, 5478185), (355, 4382548), (538, 2891830), (710, 2191274), (1076, 1445915), (1345, 1156732), (1420, 1095637), (2690, 578366), (4073, 381980), (5380, 289183), (8146, 190990), (16292, 95495), (19099, 81460), (20365, 76396), (38198, 40730)]