861477040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{719}}^1\times {\mathrm{881}}^1$

素因数の和:1630

約数の個数: 80

約数和(自身を含む): 2126113920

約数和(自身を除く): 1264636880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 719, 881, 1360, 1438, 1762, 2876, 3524, 3595, 4405, 5752, 7048, 7190, 8810, 11504, 12223, 14096, 14380, 14977, 17620, 24446, 28760, 29954, 35240, 48892, 57520, 59908, 61115, 70480, 74885, 97784, 119816, 122230, 149770, 195568, 239632, 244460, 299540, 488920, 599080, 633439, 977840, 1198160, 1266878, 2533756, 3167195, 5067512, 6334390, 10135024, 10768463, 12668780, 21536926, 25337560, 43073852, 50675120, 53842315, 86147704, 107684630, 172295408, 215369260, 430738520, 861477040]

約数ペア:

[(1, 861477040), (2, 430738520), (4, 215369260), (5, 172295408), (8, 107684630), (10, 86147704), (16, 53842315), (17, 50675120), (20, 43073852), (34, 25337560), (40, 21536926), (68, 12668780), (80, 10768463), (85, 10135024), (136, 6334390), (170, 5067512), (272, 3167195), (340, 2533756), (680, 1266878), (719, 1198160), (881, 977840), (1360, 633439), (1438, 599080), (1762, 488920), (2876, 299540), (3524, 244460), (3595, 239632), (4405, 195568), (5752, 149770), (7048, 122230), (7190, 119816), (8810, 97784), (11504, 74885), (12223, 70480), (14096, 61115), (14380, 59908), (14977, 57520), (17620, 48892), (24446, 35240), (28760, 29954)]