661370880

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{21529}}^1$

素因数の和:21559

約数の個数: 96

約数和(自身を含む): 2115968400

約数和(自身を除く): 1454597520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2560, 3072, 3840, 5120, 6144, 7680, 10240, 15360, 21529, 30720, 43058, 64587, 86116, 107645, 129174, 172232, 215290, 258348, 322935, 344464, 430580, 516696, 645870, 688928, 861160, 1033392, 1291740, 1377856, 1722320, 2066784, 2583480, 2755712, 3444640, 4133568, 5166960, 5511424, 6889280, 8267136, 10333920, 11022848, 13778560, 16534272, 20667840, 22045696, 27557120, 33068544, 41335680, 44091392, 55114240, 66137088, 82671360, 110228480, 132274176, 165342720, 220456960, 330685440, 661370880]

約数ペア:

[(1, 661370880), (2, 330685440), (3, 220456960), (4, 165342720), (5, 132274176), (6, 110228480), (8, 82671360), (10, 66137088), (12, 55114240), (15, 44091392), (16, 41335680), (20, 33068544), (24, 27557120), (30, 22045696), (32, 20667840), (40, 16534272), (48, 13778560), (60, 11022848), (64, 10333920), (80, 8267136), (96, 6889280), (120, 5511424), (128, 5166960), (160, 4133568), (192, 3444640), (240, 2755712), (256, 2583480), (320, 2066784), (384, 1722320), (480, 1377856), (512, 1291740), (640, 1033392), (768, 861160), (960, 688928), (1024, 645870), (1280, 516696), (1536, 430580), (1920, 344464), (2048, 322935), (2560, 258348), (3072, 215290), (3840, 172232), (5120, 129174), (6144, 107645), (7680, 86116), (10240, 64587), (15360, 43058), (21529, 30720)]