157217480

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{1637}}^1$

素因数の和:1676

約数の個数: 80

約数和(自身を含む): 412923420

約数和(自身を除く): 255705940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1637, 1715, 1960, 2401, 2744, 3274, 3430, 4802, 6548, 6860, 8185, 9604, 11459, 12005, 13096, 13720, 16370, 19208, 22918, 24010, 32740, 45836, 48020, 57295, 65480, 80213, 91672, 96040, 114590, 160426, 229180, 320852, 401065, 458360, 561491, 641704, 802130, 1122982, 1604260, 2245964, 2807455, 3208520, 3930437, 4491928, 5614910, 7860874, 11229820, 15721748, 19652185, 22459640, 31443496, 39304370, 78608740, 157217480]

約数ペア:

[(1, 157217480), (2, 78608740), (4, 39304370), (5, 31443496), (7, 22459640), (8, 19652185), (10, 15721748), (14, 11229820), (20, 7860874), (28, 5614910), (35, 4491928), (40, 3930437), (49, 3208520), (56, 2807455), (70, 2245964), (98, 1604260), (140, 1122982), (196, 802130), (245, 641704), (280, 561491), (343, 458360), (392, 401065), (490, 320852), (686, 229180), (980, 160426), (1372, 114590), (1637, 96040), (1715, 91672), (1960, 80213), (2401, 65480), (2744, 57295), (3274, 48020), (3430, 45836), (4802, 32740), (6548, 24010), (6860, 22918), (8185, 19208), (9604, 16370), (11459, 13720), (12005, 13096)]