157965440

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4657}}^1$

素因数の和:4729

約数の個数: 64

約数和(自身を含む): 384843960

約数和(自身を除く): 226878520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 3392, 4240, 4657, 6784, 8480, 9314, 16960, 18628, 23285, 33920, 37256, 46570, 74512, 93140, 149024, 186280, 246821, 298048, 372560, 493642, 596096, 745120, 987284, 1234105, 1490240, 1974568, 2468210, 2980480, 3949136, 4936420, 7898272, 9872840, 15796544, 19745680, 31593088, 39491360, 78982720, 157965440]

約数ペア:

[(1, 157965440), (2, 78982720), (4, 39491360), (5, 31593088), (8, 19745680), (10, 15796544), (16, 9872840), (20, 7898272), (32, 4936420), (40, 3949136), (53, 2980480), (64, 2468210), (80, 1974568), (106, 1490240), (128, 1234105), (160, 987284), (212, 745120), (265, 596096), (320, 493642), (424, 372560), (530, 298048), (640, 246821), (848, 186280), (1060, 149024), (1696, 93140), (2120, 74512), (3392, 46570), (4240, 37256), (4657, 33920), (6784, 23285), (8480, 18628), (9314, 16960)]