256684560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8839}}^1$

素因数の和:8877

約数の個数: 120

約数和(自身を含む): 874735680

約数和(自身を除く): 618051120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 726, 880, 968, 1210, 1320, 1452, 1815, 1936, 2420, 2640, 2904, 3630, 4840, 5808, 7260, 8839, 9680, 14520, 17678, 26517, 29040, 35356, 44195, 53034, 70712, 88390, 97229, 106068, 132585, 141424, 176780, 194458, 212136, 265170, 291687, 353560, 388916, 424272, 486145, 530340, 583374, 707120, 777832, 972290, 1060680, 1069519, 1166748, 1458435, 1555664, 1944580, 2121360, 2139038, 2333496, 2916870, 3208557, 3889160, 4278076, 4666992, 5347595, 5833740, 6417114, 7778320, 8556152, 10695190, 11667480, 12834228, 16042785, 17112304, 21390380, 23334960, 25668456, 32085570, 42780760, 51336912, 64171140, 85561520, 128342280, 256684560]

約数ペア:

[(1, 256684560), (2, 128342280), (3, 85561520), (4, 64171140), (5, 51336912), (6, 42780760), (8, 32085570), (10, 25668456), (11, 23334960), (12, 21390380), (15, 17112304), (16, 16042785), (20, 12834228), (22, 11667480), (24, 10695190), (30, 8556152), (33, 7778320), (40, 6417114), (44, 5833740), (48, 5347595), (55, 4666992), (60, 4278076), (66, 3889160), (80, 3208557), (88, 2916870), (110, 2333496), (120, 2139038), (121, 2121360), (132, 1944580), (165, 1555664), (176, 1458435), (220, 1166748), (240, 1069519), (242, 1060680), (264, 972290), (330, 777832), (363, 707120), (440, 583374), (484, 530340), (528, 486145), (605, 424272), (660, 388916), (726, 353560), (880, 291687), (968, 265170), (1210, 212136), (1320, 194458), (1452, 176780), (1815, 141424), (1936, 132585), (2420, 106068), (2640, 97229), (2904, 88390), (3630, 70712), (4840, 53034), (5808, 44195), (7260, 35356), (8839, 29040), (9680, 26517), (14520, 17678)]