129121520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13339}}^1$

素因数の和:13374

約数の個数: 60

約数和(自身を含む): 330004920

約数和(自身を除く): 200883400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 13339, 26678, 53356, 66695, 106712, 133390, 146729, 213424, 266780, 293458, 533560, 586916, 733645, 1067120, 1173832, 1467290, 1614019, 2347664, 2934580, 3228038, 5869160, 6456076, 8070095, 11738320, 12912152, 16140190, 25824304, 32280380, 64560760, 129121520]

約数ペア:

[(1, 129121520), (2, 64560760), (4, 32280380), (5, 25824304), (8, 16140190), (10, 12912152), (11, 11738320), (16, 8070095), (20, 6456076), (22, 5869160), (40, 3228038), (44, 2934580), (55, 2347664), (80, 1614019), (88, 1467290), (110, 1173832), (121, 1067120), (176, 733645), (220, 586916), (242, 533560), (440, 293458), (484, 266780), (605, 213424), (880, 146729), (968, 133390), (1210, 106712), (1936, 66695), (2420, 53356), (4840, 26678), (9680, 13339)]