123505380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{686141}}^1$

素因数の和:686156

約数の個数: 36

約数和(自身を含む): 374633532

約数和(自身を除く): 251128152

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 686141, 1372282, 2058423, 2744564, 3430705, 4116846, 6175269, 6861410, 8233692, 10292115, 12350538, 13722820, 20584230, 24701076, 30876345, 41168460, 61752690, 123505380]

約数ペア:

[(1, 123505380), (2, 61752690), (3, 41168460), (4, 30876345), (5, 24701076), (6, 20584230), (9, 13722820), (10, 12350538), (12, 10292115), (15, 8233692), (18, 6861410), (20, 6175269), (30, 4116846), (36, 3430705), (45, 2744564), (60, 2058423), (90, 1372282), (180, 686141)]