400080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1667}}^1$

素因数の和:1683

約数の個数: 40

約数和(自身を含む): 1240992

約数和(自身を除く): 840912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1667, 3334, 5001, 6668, 8335, 10002, 13336, 16670, 20004, 25005, 26672, 33340, 40008, 50010, 66680, 80016, 100020, 133360, 200040, 400080]

約数ペア:

[(1, 400080), (2, 200040), (3, 133360), (4, 100020), (5, 80016), (6, 66680), (8, 50010), (10, 40008), (12, 33340), (15, 26672), (16, 25005), (20, 20004), (24, 16670), (30, 13336), (40, 10002), (48, 8335), (60, 6668), (80, 5001), (120, 3334), (240, 1667)]