78658860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9857}}^1$

素因数の和:9895

約数の個数: 96

約数和(自身を含む): 264983040

約数和(自身を除く): 186324180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 9857, 19714, 29571, 39428, 49285, 59142, 68999, 98570, 118284, 137998, 147855, 187283, 197140, 206997, 275996, 295710, 344995, 374566, 413994, 561849, 591420, 689990, 749132, 827988, 936415, 1034985, 1123698, 1310981, 1379980, 1872830, 2069970, 2247396, 2621962, 2809245, 3745660, 3932943, 4139940, 5243924, 5618490, 6554905, 7865886, 11236980, 13109810, 15731772, 19664715, 26219620, 39329430, 78658860]

約数ペア:

[(1, 78658860), (2, 39329430), (3, 26219620), (4, 19664715), (5, 15731772), (6, 13109810), (7, 11236980), (10, 7865886), (12, 6554905), (14, 5618490), (15, 5243924), (19, 4139940), (20, 3932943), (21, 3745660), (28, 2809245), (30, 2621962), (35, 2247396), (38, 2069970), (42, 1872830), (57, 1379980), (60, 1310981), (70, 1123698), (76, 1034985), (84, 936415), (95, 827988), (105, 749132), (114, 689990), (133, 591420), (140, 561849), (190, 413994), (210, 374566), (228, 344995), (266, 295710), (285, 275996), (380, 206997), (399, 197140), (420, 187283), (532, 147855), (570, 137998), (665, 118284), (798, 98570), (1140, 68999), (1330, 59142), (1596, 49285), (1995, 39428), (2660, 29571), (3990, 19714), (7980, 9857)]