1900971960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{931849}}^1$

素因数の和:931880

約数の個数: 64

約数和(自身を含む): 6038388000

約数和(自身を除く): 4137416040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 931849, 1863698, 2795547, 3727396, 4659245, 5591094, 7454792, 9318490, 11182188, 13977735, 15841433, 18636980, 22364376, 27955470, 31682866, 37273960, 47524299, 55910940, 63365732, 79207165, 95048598, 111821880, 126731464, 158414330, 190097196, 237621495, 316828660, 380194392, 475242990, 633657320, 950485980, 1900971960]

約数ペア:

[(1, 1900971960), (2, 950485980), (3, 633657320), (4, 475242990), (5, 380194392), (6, 316828660), (8, 237621495), (10, 190097196), (12, 158414330), (15, 126731464), (17, 111821880), (20, 95048598), (24, 79207165), (30, 63365732), (34, 55910940), (40, 47524299), (51, 37273960), (60, 31682866), (68, 27955470), (85, 22364376), (102, 18636980), (120, 15841433), (136, 13977735), (170, 11182188), (204, 9318490), (255, 7454792), (340, 5591094), (408, 4659245), (510, 3727396), (680, 2795547), (1020, 1863698), (2040, 931849)]