642360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 1982880

約数和(自身を除く): 1340520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 101, 106, 120, 159, 202, 212, 265, 303, 318, 404, 424, 505, 530, 606, 636, 795, 808, 1010, 1060, 1212, 1272, 1515, 1590, 2020, 2120, 2424, 3030, 3180, 4040, 5353, 6060, 6360, 10706, 12120, 16059, 21412, 26765, 32118, 42824, 53530, 64236, 80295, 107060, 128472, 160590, 214120, 321180, 642360]

約数ペア:

[(1, 642360), (2, 321180), (3, 214120), (4, 160590), (5, 128472), (6, 107060), (8, 80295), (10, 64236), (12, 53530), (15, 42824), (20, 32118), (24, 26765), (30, 21412), (40, 16059), (53, 12120), (60, 10706), (101, 6360), (106, 6060), (120, 5353), (159, 4040), (202, 3180), (212, 3030), (265, 2424), (303, 2120), (318, 2020), (404, 1590), (424, 1515), (505, 1272), (530, 1212), (606, 1060), (636, 1010), (795, 808)]