135256720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{54539}}^1$

素因数の和:54583

約数の個数: 40

約数和(自身を含む): 324622080

約数和(自身を除く): 189365360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 54539, 109078, 218156, 272695, 436312, 545390, 872624, 1090780, 1690709, 2181560, 3381418, 4363120, 6762836, 8453545, 13525672, 16907090, 27051344, 33814180, 67628360, 135256720]

約数ペア:

[(1, 135256720), (2, 67628360), (4, 33814180), (5, 27051344), (8, 16907090), (10, 13525672), (16, 8453545), (20, 6762836), (31, 4363120), (40, 3381418), (62, 2181560), (80, 1690709), (124, 1090780), (155, 872624), (248, 545390), (310, 436312), (496, 272695), (620, 218156), (1240, 109078), (2480, 54539)]