1209768880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{877}}^1$

素因数の和:1334

約数の個数: 80

約数和(自身を含む): 2888591904

約数和(自身を除く): 1678823024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 401, 430, 688, 802, 860, 877, 1604, 1720, 1754, 2005, 3208, 3440, 3508, 4010, 4385, 6416, 7016, 8020, 8770, 14032, 16040, 17243, 17540, 32080, 34486, 35080, 37711, 68972, 70160, 75422, 86215, 137944, 150844, 172430, 188555, 275888, 301688, 344860, 351677, 377110, 603376, 689720, 703354, 754220, 1379440, 1406708, 1508440, 1758385, 2813416, 3016880, 3516770, 5626832, 7033540, 14067080, 15122111, 28134160, 30244222, 60488444, 75610555, 120976888, 151221110, 241953776, 302442220, 604884440, 1209768880]

約数ペア:

[(1, 1209768880), (2, 604884440), (4, 302442220), (5, 241953776), (8, 151221110), (10, 120976888), (16, 75610555), (20, 60488444), (40, 30244222), (43, 28134160), (80, 15122111), (86, 14067080), (172, 7033540), (215, 5626832), (344, 3516770), (401, 3016880), (430, 2813416), (688, 1758385), (802, 1508440), (860, 1406708), (877, 1379440), (1604, 754220), (1720, 703354), (1754, 689720), (2005, 603376), (3208, 377110), (3440, 351677), (3508, 344860), (4010, 301688), (4385, 275888), (6416, 188555), (7016, 172430), (8020, 150844), (8770, 137944), (14032, 86215), (16040, 75422), (17243, 70160), (17540, 68972), (32080, 37711), (34486, 35080)]