278664240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1161101}}^1$

素因数の和:1161117

約数の個数: 40

約数和(自身を含む): 863859888

約数和(自身を除く): 585195648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1161101, 2322202, 3483303, 4644404, 5805505, 6966606, 9288808, 11611010, 13933212, 17416515, 18577616, 23222020, 27866424, 34833030, 46444040, 55732848, 69666060, 92888080, 139332120, 278664240]

約数ペア:

[(1, 278664240), (2, 139332120), (3, 92888080), (4, 69666060), (5, 55732848), (6, 46444040), (8, 34833030), (10, 27866424), (12, 23222020), (15, 18577616), (16, 17416515), (20, 13933212), (24, 11611010), (30, 9288808), (40, 6966606), (48, 5805505), (60, 4644404), (80, 3483303), (120, 2322202), (240, 1161101)]