31305160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2423}}^1$

素因数の和:2470

約数の個数: 64

約数和(自身を含む): 78537600

約数和(自身を除く): 47232440

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2423, 2584, 3230, 4846, 6460, 9692, 12115, 12920, 19384, 24230, 41191, 46037, 48460, 82382, 92074, 96920, 164764, 184148, 205955, 230185, 329528, 368296, 411910, 460370, 782629, 823820, 920740, 1565258, 1647640, 1841480, 3130516, 3913145, 6261032, 7826290, 15652580, 31305160]

約数ペア:

[(1, 31305160), (2, 15652580), (4, 7826290), (5, 6261032), (8, 3913145), (10, 3130516), (17, 1841480), (19, 1647640), (20, 1565258), (34, 920740), (38, 823820), (40, 782629), (68, 460370), (76, 411910), (85, 368296), (95, 329528), (136, 230185), (152, 205955), (170, 184148), (190, 164764), (323, 96920), (340, 92074), (380, 82382), (646, 48460), (680, 46037), (760, 41191), (1292, 24230), (1615, 19384), (2423, 12920), (2584, 12115), (3230, 9692), (4846, 6460)]