161731320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3361}}^1$

素因数の和:3776

約数の個数: 64

約数和(自身を含む): 486548640

約数和(自身を除く): 324817320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 401, 802, 1203, 1604, 2005, 2406, 3208, 3361, 4010, 4812, 6015, 6722, 8020, 9624, 10083, 12030, 13444, 16040, 16805, 20166, 24060, 26888, 33610, 40332, 48120, 50415, 67220, 80664, 100830, 134440, 201660, 403320, 1347761, 2695522, 4043283, 5391044, 6738805, 8086566, 10782088, 13477610, 16173132, 20216415, 26955220, 32346264, 40432830, 53910440, 80865660, 161731320]

約数ペア:

[(1, 161731320), (2, 80865660), (3, 53910440), (4, 40432830), (5, 32346264), (6, 26955220), (8, 20216415), (10, 16173132), (12, 13477610), (15, 10782088), (20, 8086566), (24, 6738805), (30, 5391044), (40, 4043283), (60, 2695522), (120, 1347761), (401, 403320), (802, 201660), (1203, 134440), (1604, 100830), (2005, 80664), (2406, 67220), (3208, 50415), (3361, 48120), (4010, 40332), (4812, 33610), (6015, 26888), (6722, 24060), (8020, 20166), (9624, 16805), (10083, 16040), (12030, 13444)]