215248140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{15137}}^1$

素因数の和:15231

約数の個数: 72

約数和(自身を含む): 661227840

約数和(自身を除く): 445979700

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, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 14220, 15137, 30274, 45411, 60548, 75685, 90822, 136233, 151370, 181644, 227055, 272466, 302740, 454110, 544932, 681165, 908220, 1195823, 1362330, 2391646, 2724660, 3587469, 4783292, 5979115, 7174938, 10762407, 11958230, 14349876, 17937345, 21524814, 23916460, 35874690, 43049628, 53812035, 71749380, 107624070, 215248140]

約数ペア:

[(1, 215248140), (2, 107624070), (3, 71749380), (4, 53812035), (5, 43049628), (6, 35874690), (9, 23916460), (10, 21524814), (12, 17937345), (15, 14349876), (18, 11958230), (20, 10762407), (30, 7174938), (36, 5979115), (45, 4783292), (60, 3587469), (79, 2724660), (90, 2391646), (158, 1362330), (180, 1195823), (237, 908220), (316, 681165), (395, 544932), (474, 454110), (711, 302740), (790, 272466), (948, 227055), (1185, 181644), (1422, 151370), (1580, 136233), (2370, 90822), (2844, 75685), (3555, 60548), (4740, 45411), (7110, 30274), (14220, 15137)]