65491320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1361}}^1$

素因数の和:1776

約数の個数: 64

約数和(自身を含む): 197108640

約数和(自身を除く): 131617320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 401, 802, 1203, 1361, 1604, 2005, 2406, 2722, 3208, 4010, 4083, 4812, 5444, 6015, 6805, 8020, 8166, 9624, 10888, 12030, 13610, 16040, 16332, 20415, 24060, 27220, 32664, 40830, 48120, 54440, 81660, 163320, 545761, 1091522, 1637283, 2183044, 2728805, 3274566, 4366088, 5457610, 6549132, 8186415, 10915220, 13098264, 16372830, 21830440, 32745660, 65491320]

約数ペア:

[(1, 65491320), (2, 32745660), (3, 21830440), (4, 16372830), (5, 13098264), (6, 10915220), (8, 8186415), (10, 6549132), (12, 5457610), (15, 4366088), (20, 3274566), (24, 2728805), (30, 2183044), (40, 1637283), (60, 1091522), (120, 545761), (401, 163320), (802, 81660), (1203, 54440), (1361, 48120), (1604, 40830), (2005, 32664), (2406, 27220), (2722, 24060), (3208, 20415), (4010, 16332), (4083, 16040), (4812, 13610), (5444, 12030), (6015, 10888), (6805, 9624), (8020, 8166)]