10821420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 33284160

約数和(自身を除く): 22462740

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, 761, 790, 948, 1185, 1422, 1522, 1580, 2283, 2370, 2844, 3044, 3555, 3805, 4566, 4740, 6849, 7110, 7610, 9132, 11415, 13698, 14220, 15220, 22830, 27396, 34245, 45660, 60119, 68490, 120238, 136980, 180357, 240476, 300595, 360714, 541071, 601190, 721428, 901785, 1082142, 1202380, 1803570, 2164284, 2705355, 3607140, 5410710, 10821420]

約数ペア:

[(1, 10821420), (2, 5410710), (3, 3607140), (4, 2705355), (5, 2164284), (6, 1803570), (9, 1202380), (10, 1082142), (12, 901785), (15, 721428), (18, 601190), (20, 541071), (30, 360714), (36, 300595), (45, 240476), (60, 180357), (79, 136980), (90, 120238), (158, 68490), (180, 60119), (237, 45660), (316, 34245), (395, 27396), (474, 22830), (711, 15220), (761, 14220), (790, 13698), (948, 11415), (1185, 9132), (1422, 7610), (1522, 7110), (1580, 6849), (2283, 4740), (2370, 4566), (2844, 3805), (3044, 3555)]