12288760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2539}}^1$

素因数の和:2572

約数の個数: 48

約数和(自身を含む): 30403800

約数和(自身を除く): 18115040

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, 2539, 4840, 5078, 10156, 12695, 20312, 25390, 27929, 50780, 55858, 101560, 111716, 139645, 223432, 279290, 307219, 558580, 614438, 1117160, 1228876, 1536095, 2457752, 3072190, 6144380, 12288760]

約数ペア:

[(1, 12288760), (2, 6144380), (4, 3072190), (5, 2457752), (8, 1536095), (10, 1228876), (11, 1117160), (20, 614438), (22, 558580), (40, 307219), (44, 279290), (55, 223432), (88, 139645), (110, 111716), (121, 101560), (220, 55858), (242, 50780), (440, 27929), (484, 25390), (605, 20312), (968, 12695), (1210, 10156), (2420, 5078), (2539, 4840)]