154675640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{1481}}^1$

素因数の和:1872

約数の個数: 64

約数和(自身を含む): 399072960

約数和(自身を除く): 244397320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 373, 746, 1481, 1492, 1865, 2611, 2962, 2984, 3730, 5222, 5924, 7405, 7460, 10367, 10444, 11848, 13055, 14810, 14920, 20734, 20888, 26110, 29620, 41468, 51835, 52220, 59240, 82936, 103670, 104440, 207340, 414680, 552413, 1104826, 2209652, 2762065, 3866891, 4419304, 5524130, 7733782, 11048260, 15467564, 19334455, 22096520, 30935128, 38668910, 77337820, 154675640]

約数ペア:

[(1, 154675640), (2, 77337820), (4, 38668910), (5, 30935128), (7, 22096520), (8, 19334455), (10, 15467564), (14, 11048260), (20, 7733782), (28, 5524130), (35, 4419304), (40, 3866891), (56, 2762065), (70, 2209652), (140, 1104826), (280, 552413), (373, 414680), (746, 207340), (1481, 104440), (1492, 103670), (1865, 82936), (2611, 59240), (2962, 52220), (2984, 51835), (3730, 41468), (5222, 29620), (5924, 26110), (7405, 20888), (7460, 20734), (10367, 14920), (10444, 14810), (11848, 13055)]