15780821808

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{246637}}^1$

素因数の和:246722

約数の個数: 80

約数和(自身を含む): 43061021696

約数和(自身を除く): 27280199888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 43, 48, 62, 86, 93, 124, 129, 172, 186, 248, 258, 344, 372, 496, 516, 688, 744, 1032, 1333, 1488, 2064, 2666, 3999, 5332, 7998, 10664, 15996, 21328, 31992, 63984, 246637, 493274, 739911, 986548, 1479822, 1973096, 2959644, 3946192, 5919288, 7645747, 10605391, 11838576, 15291494, 21210782, 22937241, 30582988, 31816173, 42421564, 45874482, 61165976, 63632346, 84843128, 91748964, 122331952, 127264692, 169686256, 183497928, 254529384, 328767121, 366995856, 509058768, 657534242, 986301363, 1315068484, 1972602726, 2630136968, 3945205452, 5260273936, 7890410904, 15780821808]

約数ペア:

[(1, 15780821808), (2, 7890410904), (3, 5260273936), (4, 3945205452), (6, 2630136968), (8, 1972602726), (12, 1315068484), (16, 986301363), (24, 657534242), (31, 509058768), (43, 366995856), (48, 328767121), (62, 254529384), (86, 183497928), (93, 169686256), (124, 127264692), (129, 122331952), (172, 91748964), (186, 84843128), (248, 63632346), (258, 61165976), (344, 45874482), (372, 42421564), (496, 31816173), (516, 30582988), (688, 22937241), (744, 21210782), (1032, 15291494), (1333, 11838576), (1488, 10605391), (2064, 7645747), (2666, 5919288), (3999, 3946192), (5332, 2959644), (7998, 1973096), (10664, 1479822), (15996, 986548), (21328, 739911), (31992, 493274), (63984, 246637)]