61778940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1039}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 173322240

約数和(自身を除く): 111543300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 991, 1039, 1982, 2078, 2973, 3117, 3964, 4156, 4955, 5195, 5946, 6234, 9910, 10390, 11892, 12468, 14865, 15585, 19820, 20780, 29730, 31170, 59460, 62340, 1029649, 2059298, 3088947, 4118596, 5148245, 6177894, 10296490, 12355788, 15444735, 20592980, 30889470, 61778940]

約数ペア:

[(1, 61778940), (2, 30889470), (3, 20592980), (4, 15444735), (5, 12355788), (6, 10296490), (10, 6177894), (12, 5148245), (15, 4118596), (20, 3088947), (30, 2059298), (60, 1029649), (991, 62340), (1039, 59460), (1982, 31170), (2078, 29730), (2973, 20780), (3117, 19820), (3964, 15585), (4156, 14865), (4955, 12468), (5195, 11892), (5946, 10390), (6234, 9910)]