122830720

素因数分解:

$2^7\times 5^1\times {\mathrm{281}}^1\times {\mathrm{683}}^1$

素因数の和:983

約数の個数: 64

約数和(自身を含む): 295118640

約数和(自身を除く): 172287920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 281, 320, 562, 640, 683, 1124, 1366, 1405, 2248, 2732, 2810, 3415, 4496, 5464, 5620, 6830, 8992, 10928, 11240, 13660, 17984, 21856, 22480, 27320, 35968, 43712, 44960, 54640, 87424, 89920, 109280, 179840, 191923, 218560, 383846, 437120, 767692, 959615, 1535384, 1919230, 3070768, 3838460, 6141536, 7676920, 12283072, 15353840, 24566144, 30707680, 61415360, 122830720]

約数ペア:

[(1, 122830720), (2, 61415360), (4, 30707680), (5, 24566144), (8, 15353840), (10, 12283072), (16, 7676920), (20, 6141536), (32, 3838460), (40, 3070768), (64, 1919230), (80, 1535384), (128, 959615), (160, 767692), (281, 437120), (320, 383846), (562, 218560), (640, 191923), (683, 179840), (1124, 109280), (1366, 89920), (1405, 87424), (2248, 54640), (2732, 44960), (2810, 43712), (3415, 35968), (4496, 27320), (5464, 22480), (5620, 21856), (6830, 17984), (8992, 13660), (10928, 11240)]