255663180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15959}}^1$

素因数の和:16063

約数の個数: 72

約数和(自身を含む): 784274400

約数和(自身を除く): 528611220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010, 15959, 16020, 31918, 47877, 63836, 79795, 95754, 143631, 159590, 191508, 239385, 287262, 319180, 478770, 574524, 718155, 957540, 1420351, 1436310, 2840702, 2872620, 4261053, 5681404, 7101755, 8522106, 12783159, 14203510, 17044212, 21305265, 25566318, 28407020, 42610530, 51132636, 63915795, 85221060, 127831590, 255663180]

約数ペア:

[(1, 255663180), (2, 127831590), (3, 85221060), (4, 63915795), (5, 51132636), (6, 42610530), (9, 28407020), (10, 25566318), (12, 21305265), (15, 17044212), (18, 14203510), (20, 12783159), (30, 8522106), (36, 7101755), (45, 5681404), (60, 4261053), (89, 2872620), (90, 2840702), (178, 1436310), (180, 1420351), (267, 957540), (356, 718155), (445, 574524), (534, 478770), (801, 319180), (890, 287262), (1068, 239385), (1335, 191508), (1602, 159590), (1780, 143631), (2670, 95754), (3204, 79795), (4005, 63836), (5340, 47877), (8010, 31918), (15959, 16020)]