217991160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{605531}}^1$

素因数の和:605548

約数の個数: 48

約数和(自身を含む): 708472440

約数和(自身を除く): 490481280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 605531, 1211062, 1816593, 2422124, 3027655, 3633186, 4844248, 5449779, 6055310, 7266372, 9082965, 10899558, 12110620, 14532744, 18165930, 21799116, 24221240, 27248895, 36331860, 43598232, 54497790, 72663720, 108995580, 217991160]

約数ペア:

[(1, 217991160), (2, 108995580), (3, 72663720), (4, 54497790), (5, 43598232), (6, 36331860), (8, 27248895), (9, 24221240), (10, 21799116), (12, 18165930), (15, 14532744), (18, 12110620), (20, 10899558), (24, 9082965), (30, 7266372), (36, 6055310), (40, 5449779), (45, 4844248), (60, 3633186), (72, 3027655), (90, 2422124), (120, 1816593), (180, 1211062), (360, 605531)]