77068640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43789}}^1$

素因数の和:43815

約数の個数: 48

約数和(自身を含む): 198631440

約数和(自身を除く): 121562800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 43789, 87578, 175156, 218945, 350312, 437890, 481679, 700624, 875780, 963358, 1401248, 1751560, 1926716, 2408395, 3503120, 3853432, 4816790, 7006240, 7706864, 9633580, 15413728, 19267160, 38534320, 77068640]

約数ペア:

[(1, 77068640), (2, 38534320), (4, 19267160), (5, 15413728), (8, 9633580), (10, 7706864), (11, 7006240), (16, 4816790), (20, 3853432), (22, 3503120), (32, 2408395), (40, 1926716), (44, 1751560), (55, 1401248), (80, 963358), (88, 875780), (110, 700624), (160, 481679), (176, 437890), (220, 350312), (352, 218945), (440, 175156), (880, 87578), (1760, 43789)]