30731889568

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{239}}^1\times {\mathrm{11131}}^1$

素因数の和:11418

約数の個数: 72

約数和(自身を含む): 64128335040

約数和(自身を除く): 33396445472

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 239, 304, 361, 478, 608, 722, 956, 1444, 1912, 2888, 3824, 4541, 5776, 7648, 9082, 11131, 11552, 18164, 22262, 36328, 44524, 72656, 86279, 89048, 145312, 172558, 178096, 211489, 345116, 356192, 422978, 690232, 845956, 1380464, 1691912, 2660309, 2760928, 3383824, 4018291, 5320618, 6767648, 8036582, 10641236, 16073164, 21282472, 32146328, 42564944, 50545871, 64292656, 85129888, 101091742, 128585312, 202183484, 404366968, 808733936, 960371549, 1617467872, 1920743098, 3841486196, 7682972392, 15365944784, 30731889568]

約数ペア:

[(1, 30731889568), (2, 15365944784), (4, 7682972392), (8, 3841486196), (16, 1920743098), (19, 1617467872), (32, 960371549), (38, 808733936), (76, 404366968), (152, 202183484), (239, 128585312), (304, 101091742), (361, 85129888), (478, 64292656), (608, 50545871), (722, 42564944), (956, 32146328), (1444, 21282472), (1912, 16073164), (2888, 10641236), (3824, 8036582), (4541, 6767648), (5776, 5320618), (7648, 4018291), (9082, 3383824), (11131, 2760928), (11552, 2660309), (18164, 1691912), (22262, 1380464), (36328, 845956), (44524, 690232), (72656, 422978), (86279, 356192), (89048, 345116), (145312, 211489), (172558, 178096)]