12721890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10343}}^1$

素因数の和:10394

約数の個数: 32

約数和(自身を含む): 31280256

約数和(自身を除く): 18558366

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 10343, 20686, 31029, 51715, 62058, 103430, 155145, 310290, 424063, 848126, 1272189, 2120315, 2544378, 4240630, 6360945, 12721890]

約数ペア:

[(1, 12721890), (2, 6360945), (3, 4240630), (5, 2544378), (6, 2120315), (10, 1272189), (15, 848126), (30, 424063), (41, 310290), (82, 155145), (123, 103430), (205, 62058), (246, 51715), (410, 31029), (615, 20686), (1230, 10343)]