15401960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{821}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 40245120

約数和(自身を除く): 24843160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 821, 938, 1340, 1642, 1876, 2345, 2680, 3284, 3752, 4105, 4690, 5747, 6568, 8210, 9380, 11494, 16420, 18760, 22988, 28735, 32840, 45976, 55007, 57470, 110014, 114940, 220028, 229880, 275035, 385049, 440056, 550070, 770098, 1100140, 1540196, 1925245, 2200280, 3080392, 3850490, 7700980, 15401960]

約数ペア:

[(1, 15401960), (2, 7700980), (4, 3850490), (5, 3080392), (7, 2200280), (8, 1925245), (10, 1540196), (14, 1100140), (20, 770098), (28, 550070), (35, 440056), (40, 385049), (56, 275035), (67, 229880), (70, 220028), (134, 114940), (140, 110014), (268, 57470), (280, 55007), (335, 45976), (469, 32840), (536, 28735), (670, 22988), (821, 18760), (938, 16420), (1340, 11494), (1642, 9380), (1876, 8210), (2345, 6568), (2680, 5747), (3284, 4690), (3752, 4105)]