1257420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 3709440

約数和(自身を除く): 2452020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1103, 1140, 2206, 3309, 4412, 5515, 6618, 11030, 13236, 16545, 20957, 22060, 33090, 41914, 62871, 66180, 83828, 104785, 125742, 209570, 251484, 314355, 419140, 628710, 1257420]

約数ペア:

[(1, 1257420), (2, 628710), (3, 419140), (4, 314355), (5, 251484), (6, 209570), (10, 125742), (12, 104785), (15, 83828), (19, 66180), (20, 62871), (30, 41914), (38, 33090), (57, 22060), (60, 20957), (76, 16545), (95, 13236), (114, 11030), (190, 6618), (228, 5515), (285, 4412), (380, 3309), (570, 2206), (1103, 1140)]