1813305760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{231289}}^1$

素因数の和:231318

約数の個数: 72

約数和(自身を含む): 4983374340

約数和(自身を除く): 3170068580

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 231289, 462578, 925156, 1156445, 1619023, 1850312, 2312890, 3238046, 3700624, 4625780, 6476092, 7401248, 8095115, 9251560, 11333161, 12952184, 16190230, 18503120, 22666322, 25904368, 32380460, 37006240, 45332644, 51808736, 56665805, 64760920, 90665288, 113331610, 129521840, 181330576, 226663220, 259043680, 362661152, 453326440, 906652880, 1813305760]

約数ペア:

[(1, 1813305760), (2, 906652880), (4, 453326440), (5, 362661152), (7, 259043680), (8, 226663220), (10, 181330576), (14, 129521840), (16, 113331610), (20, 90665288), (28, 64760920), (32, 56665805), (35, 51808736), (40, 45332644), (49, 37006240), (56, 32380460), (70, 25904368), (80, 22666322), (98, 18503120), (112, 16190230), (140, 12952184), (160, 11333161), (196, 9251560), (224, 8095115), (245, 7401248), (280, 6476092), (392, 4625780), (490, 3700624), (560, 3238046), (784, 2312890), (980, 1850312), (1120, 1619023), (1568, 1156445), (1960, 925156), (3920, 462578), (7840, 231289)]