1288405580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4003}}^1$

素因数の和:4060

約数の個数: 144

約数和(自身を含む): 3578615040

約数和(自身を除く): 2290209460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 121, 133, 140, 154, 190, 209, 220, 242, 266, 308, 380, 385, 418, 484, 532, 605, 665, 770, 836, 847, 1045, 1210, 1330, 1463, 1540, 1694, 2090, 2299, 2420, 2660, 2926, 3388, 4003, 4180, 4235, 4598, 5852, 7315, 8006, 8470, 9196, 11495, 14630, 16012, 16093, 16940, 20015, 22990, 28021, 29260, 32186, 40030, 44033, 45980, 56042, 64372, 76057, 80060, 80465, 88066, 112084, 140105, 152114, 160930, 176132, 220165, 280210, 304228, 308231, 321860, 380285, 440330, 484363, 532399, 560420, 616462, 760570, 836627, 880660, 968726, 1064798, 1232924, 1521140, 1541155, 1673254, 1937452, 2129596, 2421815, 2661995, 3082310, 3346508, 3390541, 4183135, 4843630, 5323990, 5856389, 6164620, 6781082, 8366270, 9202897, 9687260, 10647980, 11712778, 13562164, 16732540, 16952705, 18405794, 23425556, 29281945, 33905410, 36811588, 46014485, 58563890, 64420279, 67810820, 92028970, 117127780, 128840558, 184057940, 257681116, 322101395, 644202790, 1288405580]

約数ペア:

[(1, 1288405580), (2, 644202790), (4, 322101395), (5, 257681116), (7, 184057940), (10, 128840558), (11, 117127780), (14, 92028970), (19, 67810820), (20, 64420279), (22, 58563890), (28, 46014485), (35, 36811588), (38, 33905410), (44, 29281945), (55, 23425556), (70, 18405794), (76, 16952705), (77, 16732540), (95, 13562164), (110, 11712778), (121, 10647980), (133, 9687260), (140, 9202897), (154, 8366270), (190, 6781082), (209, 6164620), (220, 5856389), (242, 5323990), (266, 4843630), (308, 4183135), (380, 3390541), (385, 3346508), (418, 3082310), (484, 2661995), (532, 2421815), (605, 2129596), (665, 1937452), (770, 1673254), (836, 1541155), (847, 1521140), (1045, 1232924), (1210, 1064798), (1330, 968726), (1463, 880660), (1540, 836627), (1694, 760570), (2090, 616462), (2299, 560420), (2420, 532399), (2660, 484363), (2926, 440330), (3388, 380285), (4003, 321860), (4180, 308231), (4235, 304228), (4598, 280210), (5852, 220165), (7315, 176132), (8006, 160930), (8470, 152114), (9196, 140105), (11495, 112084), (14630, 88066), (16012, 80465), (16093, 80060), (16940, 76057), (20015, 64372), (22990, 56042), (28021, 45980), (29260, 44033), (32186, 40030)]