74120580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{809}}^1$

素因数の和:1333

約数の個数: 72

約数和(自身を含む): 225552600

約数和(自身を除く): 151432020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 509, 809, 1018, 1527, 1618, 2036, 2427, 2545, 3054, 3236, 4045, 4581, 4854, 5090, 6108, 7281, 7635, 8090, 9162, 9708, 10180, 12135, 14562, 15270, 16180, 18324, 22905, 24270, 29124, 30540, 36405, 45810, 48540, 72810, 91620, 145620, 411781, 823562, 1235343, 1647124, 2058905, 2470686, 3706029, 4117810, 4941372, 6176715, 7412058, 8235620, 12353430, 14824116, 18530145, 24706860, 37060290, 74120580]

約数ペア:

[(1, 74120580), (2, 37060290), (3, 24706860), (4, 18530145), (5, 14824116), (6, 12353430), (9, 8235620), (10, 7412058), (12, 6176715), (15, 4941372), (18, 4117810), (20, 3706029), (30, 2470686), (36, 2058905), (45, 1647124), (60, 1235343), (90, 823562), (180, 411781), (509, 145620), (809, 91620), (1018, 72810), (1527, 48540), (1618, 45810), (2036, 36405), (2427, 30540), (2545, 29124), (3054, 24270), (3236, 22905), (4045, 18324), (4581, 16180), (4854, 15270), (5090, 14562), (6108, 12135), (7281, 10180), (7635, 9708), (8090, 9162)]