15888971980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1\times {\mathrm{2371}}^1$

素因数の和:2855

約数の個数: 96

約数和(自身を含む): 38523405312

約数和(自身を除く): 22634433332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 317, 604, 634, 755, 1057, 1268, 1510, 1585, 2114, 2219, 2371, 3020, 3170, 4228, 4438, 4742, 5285, 6340, 8876, 9484, 10570, 11095, 11855, 16597, 21140, 22190, 23710, 33194, 44380, 47420, 47867, 66388, 82985, 95734, 165970, 191468, 239335, 331940, 335069, 358021, 478670, 670138, 716042, 751607, 957340, 1340276, 1432084, 1503214, 1675345, 1790105, 2506147, 3006428, 3350690, 3580210, 3758035, 5012294, 5261249, 6701380, 7160420, 7516070, 10024588, 10522498, 12530735, 15032140, 21044996, 25061470, 26306245, 50122940, 52612490, 105224980, 113492657, 226985314, 453970628, 567463285, 794448599, 1134926570, 1588897198, 2269853140, 3177794396, 3972242995, 7944485990, 15888971980]

約数ペア:

[(1, 15888971980), (2, 7944485990), (4, 3972242995), (5, 3177794396), (7, 2269853140), (10, 1588897198), (14, 1134926570), (20, 794448599), (28, 567463285), (35, 453970628), (70, 226985314), (140, 113492657), (151, 105224980), (302, 52612490), (317, 50122940), (604, 26306245), (634, 25061470), (755, 21044996), (1057, 15032140), (1268, 12530735), (1510, 10522498), (1585, 10024588), (2114, 7516070), (2219, 7160420), (2371, 6701380), (3020, 5261249), (3170, 5012294), (4228, 3758035), (4438, 3580210), (4742, 3350690), (5285, 3006428), (6340, 2506147), (8876, 1790105), (9484, 1675345), (10570, 1503214), (11095, 1432084), (11855, 1340276), (16597, 957340), (21140, 751607), (22190, 716042), (23710, 670138), (33194, 478670), (44380, 358021), (47420, 335069), (47867, 331940), (66388, 239335), (82985, 191468), (95734, 165970)]