1285123560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1529909}}^1$

素因数の和:1529930

約数の個数: 64

約数和(自身を含む): 4406140800

約数和(自身を除く): 3121017240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1529909, 3059818, 4589727, 6119636, 7649545, 9179454, 10709363, 12239272, 15299090, 18358908, 21418726, 22948635, 30598180, 32128089, 36717816, 42837452, 45897270, 53546815, 61196360, 64256178, 85674904, 91794540, 107093630, 128512356, 160640445, 183589080, 214187260, 257024712, 321280890, 428374520, 642561780, 1285123560]

約数ペア:

[(1, 1285123560), (2, 642561780), (3, 428374520), (4, 321280890), (5, 257024712), (6, 214187260), (7, 183589080), (8, 160640445), (10, 128512356), (12, 107093630), (14, 91794540), (15, 85674904), (20, 64256178), (21, 61196360), (24, 53546815), (28, 45897270), (30, 42837452), (35, 36717816), (40, 32128089), (42, 30598180), (56, 22948635), (60, 21418726), (70, 18358908), (84, 15299090), (105, 12239272), (120, 10709363), (140, 9179454), (168, 7649545), (210, 6119636), (280, 4589727), (420, 3059818), (840, 1529909)]