61664020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 144520992

約数和(自身を除く): 82856972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 121, 166, 220, 242, 307, 332, 415, 484, 605, 614, 830, 913, 1210, 1228, 1535, 1660, 1826, 2420, 3070, 3377, 3652, 4565, 6140, 6754, 9130, 10043, 13508, 16885, 18260, 20086, 25481, 33770, 37147, 40172, 50215, 50962, 67540, 74294, 100430, 101924, 127405, 148588, 185735, 200860, 254810, 280291, 371470, 509620, 560582, 742940, 1121164, 1401455, 2802910, 3083201, 5605820, 6166402, 12332804, 15416005, 30832010, 61664020]

約数ペア:

[(1, 61664020), (2, 30832010), (4, 15416005), (5, 12332804), (10, 6166402), (11, 5605820), (20, 3083201), (22, 2802910), (44, 1401455), (55, 1121164), (83, 742940), (110, 560582), (121, 509620), (166, 371470), (220, 280291), (242, 254810), (307, 200860), (332, 185735), (415, 148588), (484, 127405), (605, 101924), (614, 100430), (830, 74294), (913, 67540), (1210, 50962), (1228, 50215), (1535, 40172), (1660, 37147), (1826, 33770), (2420, 25481), (3070, 20086), (3377, 18260), (3652, 16885), (4565, 13508), (6140, 10043), (6754, 9130)]