72464920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1049}}^1$

素因数の和:1228

約数の個数: 64

約数和(自身を含む): 179172000

約数和(自身を除く): 106707080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 440, 628, 785, 1049, 1256, 1570, 1727, 2098, 3140, 3454, 4196, 5245, 6280, 6908, 8392, 8635, 10490, 11539, 13816, 17270, 20980, 23078, 34540, 41960, 46156, 57695, 69080, 92312, 115390, 164693, 230780, 329386, 461560, 658772, 823465, 1317544, 1646930, 1811623, 3293860, 3623246, 6587720, 7246492, 9058115, 14492984, 18116230, 36232460, 72464920]

約数ペア:

[(1, 72464920), (2, 36232460), (4, 18116230), (5, 14492984), (8, 9058115), (10, 7246492), (11, 6587720), (20, 3623246), (22, 3293860), (40, 1811623), (44, 1646930), (55, 1317544), (88, 823465), (110, 658772), (157, 461560), (220, 329386), (314, 230780), (440, 164693), (628, 115390), (785, 92312), (1049, 69080), (1256, 57695), (1570, 46156), (1727, 41960), (2098, 34540), (3140, 23078), (3454, 20980), (4196, 17270), (5245, 13816), (6280, 11539), (6908, 10490), (8392, 8635)]