64560760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13339}}^1$

素因数の和:13372

約数の個数: 48

約数和(自身を含む): 159679800

約数和(自身を除く): 95119040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 13339, 26678, 53356, 66695, 106712, 133390, 146729, 266780, 293458, 533560, 586916, 733645, 1173832, 1467290, 1614019, 2934580, 3228038, 5869160, 6456076, 8070095, 12912152, 16140190, 32280380, 64560760]

約数ペア:

[(1, 64560760), (2, 32280380), (4, 16140190), (5, 12912152), (8, 8070095), (10, 6456076), (11, 5869160), (20, 3228038), (22, 2934580), (40, 1614019), (44, 1467290), (55, 1173832), (88, 733645), (110, 586916), (121, 533560), (220, 293458), (242, 266780), (440, 146729), (484, 133390), (605, 106712), (968, 66695), (1210, 53356), (2420, 26678), (4840, 13339)]