15551426440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{2113}}^1$

素因数の和:2567

約数の個数: 128

約数和(自身を含む): 39178339200

約数和(自身を除く): 23626912760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 389, 430, 440, 473, 778, 860, 946, 1556, 1720, 1892, 1945, 2113, 2365, 3112, 3784, 3890, 4226, 4279, 4730, 7780, 8452, 8558, 9460, 10565, 15560, 16727, 16904, 17116, 18920, 21130, 21395, 23243, 33454, 34232, 42260, 42790, 46486, 66908, 83635, 84520, 85580, 90859, 92972, 116215, 133816, 167270, 171160, 181718, 183997, 185944, 232430, 334540, 363436, 367994, 454295, 464860, 669080, 726872, 735988, 821957, 908590, 919985, 929720, 999449, 1471976, 1643914, 1817180, 1839970, 1998898, 3287828, 3634360, 3679940, 3997796, 4109785, 4997245, 6575656, 7359880, 7995592, 8219570, 9041527, 9994490, 16439140, 18083054, 19988980, 32878280, 35344151, 36166108, 39977960, 45207635, 70688302, 72332216, 90415270, 141376604, 176720755, 180830540, 282753208, 353441510, 361661080, 388785661, 706883020, 777571322, 1413766040, 1555142644, 1943928305, 3110285288, 3887856610, 7775713220, 15551426440]

約数ペア:

[(1, 15551426440), (2, 7775713220), (4, 3887856610), (5, 3110285288), (8, 1943928305), (10, 1555142644), (11, 1413766040), (20, 777571322), (22, 706883020), (40, 388785661), (43, 361661080), (44, 353441510), (55, 282753208), (86, 180830540), (88, 176720755), (110, 141376604), (172, 90415270), (215, 72332216), (220, 70688302), (344, 45207635), (389, 39977960), (430, 36166108), (440, 35344151), (473, 32878280), (778, 19988980), (860, 18083054), (946, 16439140), (1556, 9994490), (1720, 9041527), (1892, 8219570), (1945, 7995592), (2113, 7359880), (2365, 6575656), (3112, 4997245), (3784, 4109785), (3890, 3997796), (4226, 3679940), (4279, 3634360), (4730, 3287828), (7780, 1998898), (8452, 1839970), (8558, 1817180), (9460, 1643914), (10565, 1471976), (15560, 999449), (16727, 929720), (16904, 919985), (17116, 908590), (18920, 821957), (21130, 735988), (21395, 726872), (23243, 669080), (33454, 464860), (34232, 454295), (42260, 367994), (42790, 363436), (46486, 334540), (66908, 232430), (83635, 185944), (84520, 183997), (85580, 181718), (90859, 171160), (92972, 167270), (116215, 133816)]