145723620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{346961}}^1$

素因数の和:346980

約数の個数: 48

約数和(自身を含む): 466316928

約数和(自身を除く): 320593308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 346961, 693922, 1040883, 1387844, 1734805, 2081766, 2428727, 3469610, 4163532, 4857454, 5204415, 6939220, 7286181, 9714908, 10408830, 12143635, 14572362, 20817660, 24287270, 29144724, 36430905, 48574540, 72861810, 145723620]

約数ペア:

[(1, 145723620), (2, 72861810), (3, 48574540), (4, 36430905), (5, 29144724), (6, 24287270), (7, 20817660), (10, 14572362), (12, 12143635), (14, 10408830), (15, 9714908), (20, 7286181), (21, 6939220), (28, 5204415), (30, 4857454), (35, 4163532), (42, 3469610), (60, 2428727), (70, 2081766), (84, 1734805), (105, 1387844), (140, 1040883), (210, 693922), (420, 346961)]