65515380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{401}}^1$

素因数の和:809

約数の個数: 96

約数和(自身を含む): 210712320

約数和(自身を除く): 145196940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 389, 401, 420, 778, 802, 1167, 1203, 1556, 1604, 1945, 2005, 2334, 2406, 2723, 2807, 3890, 4010, 4668, 4812, 5446, 5614, 5835, 6015, 7780, 8020, 8169, 8421, 10892, 11228, 11670, 12030, 13615, 14035, 16338, 16842, 23340, 24060, 27230, 28070, 32676, 33684, 40845, 42105, 54460, 56140, 81690, 84210, 155989, 163380, 168420, 311978, 467967, 623956, 779945, 935934, 1091923, 1559890, 1871868, 2183846, 2339835, 3119780, 3275769, 4367692, 4679670, 5459615, 6551538, 9359340, 10919230, 13103076, 16378845, 21838460, 32757690, 65515380]

約数ペア:

[(1, 65515380), (2, 32757690), (3, 21838460), (4, 16378845), (5, 13103076), (6, 10919230), (7, 9359340), (10, 6551538), (12, 5459615), (14, 4679670), (15, 4367692), (20, 3275769), (21, 3119780), (28, 2339835), (30, 2183846), (35, 1871868), (42, 1559890), (60, 1091923), (70, 935934), (84, 779945), (105, 623956), (140, 467967), (210, 311978), (389, 168420), (401, 163380), (420, 155989), (778, 84210), (802, 81690), (1167, 56140), (1203, 54460), (1556, 42105), (1604, 40845), (1945, 33684), (2005, 32676), (2334, 28070), (2406, 27230), (2723, 24060), (2807, 23340), (3890, 16842), (4010, 16338), (4668, 14035), (4812, 13615), (5446, 12030), (5614, 11670), (5835, 11228), (6015, 10892), (7780, 8421), (8020, 8169)]