19991277960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{962971}}^1$

素因数の和:963158

約数の個数: 64

約数和(自身を含む): 60320566080

約数和(自身を除く): 40329288120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173, 346, 519, 692, 865, 1038, 1384, 1730, 2076, 2595, 3460, 4152, 5190, 6920, 10380, 20760, 962971, 1925942, 2888913, 3851884, 4814855, 5777826, 7703768, 9629710, 11555652, 14444565, 19259420, 23111304, 28889130, 38518840, 57778260, 115556520, 166593983, 333187966, 499781949, 666375932, 832969915, 999563898, 1332751864, 1665939830, 1999127796, 2498909745, 3331879660, 3998255592, 4997819490, 6663759320, 9995638980, 19991277960]

約数ペア:

[(1, 19991277960), (2, 9995638980), (3, 6663759320), (4, 4997819490), (5, 3998255592), (6, 3331879660), (8, 2498909745), (10, 1999127796), (12, 1665939830), (15, 1332751864), (20, 999563898), (24, 832969915), (30, 666375932), (40, 499781949), (60, 333187966), (120, 166593983), (173, 115556520), (346, 57778260), (519, 38518840), (692, 28889130), (865, 23111304), (1038, 19259420), (1384, 14444565), (1730, 11555652), (2076, 9629710), (2595, 7703768), (3460, 5777826), (4152, 4814855), (5190, 3851884), (6920, 2888913), (10380, 1925942), (20760, 962971)]