640830672

素因数分解:

$2^4\times 3^2\times {\mathrm{4450213}}^1$

素因数の和:4450227

約数の個数: 30

約数和(自身を含む): 1793436242

約数和(自身を除く): 1152605570

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 4450213, 8900426, 13350639, 17800852, 26701278, 35601704, 40051917, 53402556, 71203408, 80103834, 106805112, 160207668, 213610224, 320415336, 640830672]

約数ペア:

[(1, 640830672), (2, 320415336), (3, 213610224), (4, 160207668), (6, 106805112), (8, 80103834), (9, 71203408), (12, 53402556), (16, 40051917), (18, 35601704), (24, 26701278), (36, 17800852), (48, 13350639), (72, 8900426), (144, 4450213)]