16681089760

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{17443}}^1$

素因数の和:17640

約数の個数: 96

約数和(自身を含む): 40618005120

約数和(自身を除く): 23936915360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 139, 160, 172, 215, 278, 344, 430, 556, 688, 695, 860, 1112, 1376, 1390, 1720, 2224, 2780, 3440, 4448, 5560, 5977, 6880, 11120, 11954, 17443, 22240, 23908, 29885, 34886, 47816, 59770, 69772, 87215, 95632, 119540, 139544, 174430, 191264, 239080, 279088, 348860, 478160, 558176, 697720, 750049, 956320, 1395440, 1500098, 2424577, 2790880, 3000196, 3750245, 4849154, 6000392, 7500490, 9698308, 12000784, 12122885, 15000980, 19396616, 24001568, 24245770, 30001960, 38793232, 48491540, 60003920, 77586464, 96983080, 104256811, 120007840, 193966160, 208513622, 387932320, 417027244, 521284055, 834054488, 1042568110, 1668108976, 2085136220, 3336217952, 4170272440, 8340544880, 16681089760]

約数ペア:

[(1, 16681089760), (2, 8340544880), (4, 4170272440), (5, 3336217952), (8, 2085136220), (10, 1668108976), (16, 1042568110), (20, 834054488), (32, 521284055), (40, 417027244), (43, 387932320), (80, 208513622), (86, 193966160), (139, 120007840), (160, 104256811), (172, 96983080), (215, 77586464), (278, 60003920), (344, 48491540), (430, 38793232), (556, 30001960), (688, 24245770), (695, 24001568), (860, 19396616), (1112, 15000980), (1376, 12122885), (1390, 12000784), (1720, 9698308), (2224, 7500490), (2780, 6000392), (3440, 4849154), (4448, 3750245), (5560, 3000196), (5977, 2790880), (6880, 2424577), (11120, 1500098), (11954, 1395440), (17443, 956320), (22240, 750049), (23908, 697720), (29885, 558176), (34886, 478160), (47816, 348860), (59770, 279088), (69772, 239080), (87215, 191264), (95632, 174430), (119540, 139544)]