123467240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{839}}^1$

素因数の和:1146

約数の個数: 64

約数和(自身を含む): 300585600

約数和(自身を除く): 177118360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 283, 520, 566, 839, 1132, 1415, 1678, 2264, 2830, 3356, 3679, 4195, 5660, 6712, 7358, 8390, 10907, 11320, 14716, 16780, 18395, 21814, 29432, 33560, 36790, 43628, 54535, 73580, 87256, 109070, 147160, 218140, 237437, 436280, 474874, 949748, 1187185, 1899496, 2374370, 3086681, 4748740, 6173362, 9497480, 12346724, 15433405, 24693448, 30866810, 61733620, 123467240]

約数ペア:

[(1, 123467240), (2, 61733620), (4, 30866810), (5, 24693448), (8, 15433405), (10, 12346724), (13, 9497480), (20, 6173362), (26, 4748740), (40, 3086681), (52, 2374370), (65, 1899496), (104, 1187185), (130, 949748), (260, 474874), (283, 436280), (520, 237437), (566, 218140), (839, 147160), (1132, 109070), (1415, 87256), (1678, 73580), (2264, 54535), (2830, 43628), (3356, 36790), (3679, 33560), (4195, 29432), (5660, 21814), (6712, 18395), (7358, 16780), (8390, 14716), (10907, 11320)]