778880820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{121321}}^1$

素因数の和:121440

約数の個数: 48

約数和(自身を含む): 2201266368

約数和(自身を除く): 1422385548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 6420, 121321, 242642, 363963, 485284, 606605, 727926, 1213210, 1455852, 1819815, 2426420, 3639630, 7279260, 12981347, 25962694, 38944041, 51925388, 64906735, 77888082, 129813470, 155776164, 194720205, 259626940, 389440410, 778880820]

約数ペア:

[(1, 778880820), (2, 389440410), (3, 259626940), (4, 194720205), (5, 155776164), (6, 129813470), (10, 77888082), (12, 64906735), (15, 51925388), (20, 38944041), (30, 25962694), (60, 12981347), (107, 7279260), (214, 3639630), (321, 2426420), (428, 1819815), (535, 1455852), (642, 1213210), (1070, 727926), (1284, 606605), (1605, 485284), (2140, 363963), (3210, 242642), (6420, 121321)]