120608020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1511}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 273829248

約数和(自身を除く): 153221228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 307, 614, 1228, 1511, 1535, 3022, 3070, 3991, 6044, 6140, 7555, 7982, 15110, 15964, 19643, 19955, 30220, 39286, 39910, 78572, 79820, 98215, 196430, 392860, 463877, 927754, 1855508, 2319385, 4638770, 6030401, 9277540, 12060802, 24121604, 30152005, 60304010, 120608020]

約数ペア:

[(1, 120608020), (2, 60304010), (4, 30152005), (5, 24121604), (10, 12060802), (13, 9277540), (20, 6030401), (26, 4638770), (52, 2319385), (65, 1855508), (130, 927754), (260, 463877), (307, 392860), (614, 196430), (1228, 98215), (1511, 79820), (1535, 78572), (3022, 39910), (3070, 39286), (3991, 30220), (6044, 19955), (6140, 19643), (7555, 15964), (7982, 15110)]