128277380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2687}}^1$

素因数の和:2745

約数の個数: 96

約数和(自身を含む): 346816512

約数和(自身を除く): 218539132

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 434, 620, 682, 770, 868, 1085, 1364, 1540, 1705, 2170, 2387, 2687, 3410, 4340, 4774, 5374, 6820, 9548, 10748, 11935, 13435, 18809, 23870, 26870, 29557, 37618, 47740, 53740, 59114, 75236, 83297, 94045, 118228, 147785, 166594, 188090, 206899, 295570, 333188, 376180, 413798, 416485, 583079, 591140, 827596, 832970, 916267, 1034495, 1166158, 1665940, 1832534, 2068990, 2332316, 2915395, 3665068, 4137980, 4581335, 5830790, 6413869, 9162670, 11661580, 12827738, 18325340, 25655476, 32069345, 64138690, 128277380]

約数ペア:

[(1, 128277380), (2, 64138690), (4, 32069345), (5, 25655476), (7, 18325340), (10, 12827738), (11, 11661580), (14, 9162670), (20, 6413869), (22, 5830790), (28, 4581335), (31, 4137980), (35, 3665068), (44, 2915395), (55, 2332316), (62, 2068990), (70, 1832534), (77, 1665940), (110, 1166158), (124, 1034495), (140, 916267), (154, 832970), (155, 827596), (217, 591140), (220, 583079), (308, 416485), (310, 413798), (341, 376180), (385, 333188), (434, 295570), (620, 206899), (682, 188090), (770, 166594), (868, 147785), (1085, 118228), (1364, 94045), (1540, 83297), (1705, 75236), (2170, 59114), (2387, 53740), (2687, 47740), (3410, 37618), (4340, 29557), (4774, 26870), (5374, 23870), (6820, 18809), (9548, 13435), (10748, 11935)]