127440560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{433}}^1$

素因数の和:742

約数の個数: 80

約数和(自身を含む): 320958624

約数和(自身を除く): 193518064

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 283, 433, 520, 566, 866, 1040, 1132, 1415, 1732, 2165, 2264, 2830, 3464, 3679, 4330, 4528, 5629, 5660, 6928, 7358, 8660, 11258, 11320, 14716, 17320, 18395, 22516, 22640, 28145, 29432, 34640, 36790, 45032, 56290, 58864, 73580, 90064, 112580, 122539, 147160, 225160, 245078, 294320, 450320, 490156, 612695, 980312, 1225390, 1593007, 1960624, 2450780, 3186014, 4901560, 6372028, 7965035, 9803120, 12744056, 15930070, 25488112, 31860140, 63720280, 127440560]

約数ペア:

[(1, 127440560), (2, 63720280), (4, 31860140), (5, 25488112), (8, 15930070), (10, 12744056), (13, 9803120), (16, 7965035), (20, 6372028), (26, 4901560), (40, 3186014), (52, 2450780), (65, 1960624), (80, 1593007), (104, 1225390), (130, 980312), (208, 612695), (260, 490156), (283, 450320), (433, 294320), (520, 245078), (566, 225160), (866, 147160), (1040, 122539), (1132, 112580), (1415, 90064), (1732, 73580), (2165, 58864), (2264, 56290), (2830, 45032), (3464, 36790), (3679, 34640), (4330, 29432), (4528, 28145), (5629, 22640), (5660, 22516), (6928, 18395), (7358, 17320), (8660, 14716), (11258, 11320)]