8040420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2351}}^1$

素因数の和:2385

約数の個数: 72

約数和(自身を含む): 25683840

約数和(自身を除く): 17643420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 2351, 3420, 4702, 7053, 9404, 11755, 14106, 21159, 23510, 28212, 35265, 42318, 44669, 47020, 70530, 84636, 89338, 105795, 134007, 141060, 178676, 211590, 223345, 268014, 402021, 423180, 446690, 536028, 670035, 804042, 893380, 1340070, 1608084, 2010105, 2680140, 4020210, 8040420]

約数ペア:

[(1, 8040420), (2, 4020210), (3, 2680140), (4, 2010105), (5, 1608084), (6, 1340070), (9, 893380), (10, 804042), (12, 670035), (15, 536028), (18, 446690), (19, 423180), (20, 402021), (30, 268014), (36, 223345), (38, 211590), (45, 178676), (57, 141060), (60, 134007), (76, 105795), (90, 89338), (95, 84636), (114, 70530), (171, 47020), (180, 44669), (190, 42318), (228, 35265), (285, 28212), (342, 23510), (380, 21159), (570, 14106), (684, 11755), (855, 9404), (1140, 7053), (1710, 4702), (2351, 3420)]