15883740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1117}}^1$

素因数の和:1211

約数の個数: 72

約数和(自身を含む): 48834240

約数和(自身を除く): 32950500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1117, 1185, 1422, 1580, 2234, 2370, 2844, 3351, 3555, 4468, 4740, 5585, 6702, 7110, 10053, 11170, 13404, 14220, 16755, 20106, 22340, 33510, 40212, 50265, 67020, 88243, 100530, 176486, 201060, 264729, 352972, 441215, 529458, 794187, 882430, 1058916, 1323645, 1588374, 1764860, 2647290, 3176748, 3970935, 5294580, 7941870, 15883740]

約数ペア:

[(1, 15883740), (2, 7941870), (3, 5294580), (4, 3970935), (5, 3176748), (6, 2647290), (9, 1764860), (10, 1588374), (12, 1323645), (15, 1058916), (18, 882430), (20, 794187), (30, 529458), (36, 441215), (45, 352972), (60, 264729), (79, 201060), (90, 176486), (158, 100530), (180, 88243), (237, 67020), (316, 50265), (395, 40212), (474, 33510), (711, 22340), (790, 20106), (948, 16755), (1117, 14220), (1185, 13404), (1422, 11170), (1580, 10053), (2234, 7110), (2370, 6702), (2844, 5585), (3351, 4740), (3555, 4468)]