205473360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{856139}}^1$

素因数の和:856155

約数の個数: 40

約数和(自身を含む): 636968160

約数和(自身を除く): 431494800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 856139, 1712278, 2568417, 3424556, 4280695, 5136834, 6849112, 8561390, 10273668, 12842085, 13698224, 17122780, 20547336, 25684170, 34245560, 41094672, 51368340, 68491120, 102736680, 205473360]

約数ペア:

[(1, 205473360), (2, 102736680), (3, 68491120), (4, 51368340), (5, 41094672), (6, 34245560), (8, 25684170), (10, 20547336), (12, 17122780), (15, 13698224), (16, 12842085), (20, 10273668), (24, 8561390), (30, 6849112), (40, 5136834), (48, 4280695), (60, 3424556), (80, 2568417), (120, 1712278), (240, 856139)]