2723997780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{2161903}}^1$

素因数の和:2161925

約数の個数: 72

約数和(自身を含む): 9443196672

約数和(自身を除く): 6719198892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 2161903, 4323806, 6485709, 8647612, 10809515, 12971418, 15133321, 19457127, 21619030, 25942836, 30266642, 32428545, 38914254, 43238060, 45399963, 60533284, 64857090, 75666605, 77828508, 90799926, 97285635, 129714180, 136199889, 151333210, 181599852, 194571270, 226999815, 272399778, 302666420, 389142540, 453999630, 544799556, 680999445, 907999260, 1361998890, 2723997780]

約数ペア:

[(1, 2723997780), (2, 1361998890), (3, 907999260), (4, 680999445), (5, 544799556), (6, 453999630), (7, 389142540), (9, 302666420), (10, 272399778), (12, 226999815), (14, 194571270), (15, 181599852), (18, 151333210), (20, 136199889), (21, 129714180), (28, 97285635), (30, 90799926), (35, 77828508), (36, 75666605), (42, 64857090), (45, 60533284), (60, 45399963), (63, 43238060), (70, 38914254), (84, 32428545), (90, 30266642), (105, 25942836), (126, 21619030), (140, 19457127), (180, 15133321), (210, 12971418), (252, 10809515), (315, 8647612), (420, 6485709), (630, 4323806), (1260, 2161903)]