72012070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 146313216

約数和(自身を除く): 74301146

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 107, 130, 155, 167, 214, 310, 334, 403, 535, 806, 835, 1070, 1391, 1670, 2015, 2171, 2782, 3317, 4030, 4342, 5177, 6634, 6955, 10354, 10855, 13910, 16585, 17869, 21710, 25885, 33170, 35738, 43121, 51770, 67301, 86242, 89345, 134602, 178690, 215605, 232297, 336505, 431210, 464594, 553939, 673010, 1107878, 1161485, 2322970, 2769695, 5539390, 7201207, 14402414, 36006035, 72012070]

約数ペア:

[(1, 72012070), (2, 36006035), (5, 14402414), (10, 7201207), (13, 5539390), (26, 2769695), (31, 2322970), (62, 1161485), (65, 1107878), (107, 673010), (130, 553939), (155, 464594), (167, 431210), (214, 336505), (310, 232297), (334, 215605), (403, 178690), (535, 134602), (806, 89345), (835, 86242), (1070, 67301), (1391, 51770), (1670, 43121), (2015, 35738), (2171, 33170), (2782, 25885), (3317, 21710), (4030, 17869), (4342, 16585), (5177, 13910), (6634, 10855), (6955, 10354)]