128078240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{42131}}^1$

素因数の和:42165

約数の個数: 48

約数和(自身を含む): 318517920

約数和(自身を除く): 190439680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 42131, 84262, 168524, 210655, 337048, 421310, 674096, 800489, 842620, 1348192, 1600978, 1685240, 3201956, 3370480, 4002445, 6403912, 6740960, 8004890, 12807824, 16009780, 25615648, 32019560, 64039120, 128078240]

約数ペア:

[(1, 128078240), (2, 64039120), (4, 32019560), (5, 25615648), (8, 16009780), (10, 12807824), (16, 8004890), (19, 6740960), (20, 6403912), (32, 4002445), (38, 3370480), (40, 3201956), (76, 1685240), (80, 1600978), (95, 1348192), (152, 842620), (160, 800489), (190, 674096), (304, 421310), (380, 337048), (608, 210655), (760, 168524), (1520, 84262), (3040, 42131)]