219881160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{610781}}^1$

素因数の和:610798

約数の個数: 48

約数和(自身を含む): 714614940

約数和(自身を除く): 494733780

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, 610781, 1221562, 1832343, 2443124, 3053905, 3664686, 4886248, 5497029, 6107810, 7329372, 9161715, 10994058, 12215620, 14658744, 18323430, 21988116, 24431240, 27485145, 36646860, 43976232, 54970290, 73293720, 109940580, 219881160]

約数ペア:

[(1, 219881160), (2, 109940580), (3, 73293720), (4, 54970290), (5, 43976232), (6, 36646860), (8, 27485145), (9, 24431240), (10, 21988116), (12, 18323430), (15, 14658744), (18, 12215620), (20, 10994058), (24, 9161715), (30, 7329372), (36, 6107810), (40, 5497029), (45, 4886248), (60, 3664686), (72, 3053905), (90, 2443124), (120, 1832343), (180, 1221562), (360, 610781)]