187664960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:644

約数の個数: 112

約数和(自身を含む): 514502400

約数和(自身を除く): 326837440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 199, 224, 280, 320, 398, 421, 448, 560, 796, 842, 995, 1120, 1393, 1592, 1684, 1990, 2105, 2240, 2786, 2947, 3184, 3368, 3980, 4210, 5572, 5894, 6368, 6736, 6965, 7960, 8420, 11144, 11788, 12736, 13472, 13930, 14735, 15920, 16840, 22288, 23576, 26944, 27860, 29470, 31840, 33680, 44576, 47152, 55720, 58940, 63680, 67360, 83779, 89152, 94304, 111440, 117880, 134720, 167558, 188608, 222880, 235760, 335116, 418895, 445760, 471520, 586453, 670232, 837790, 943040, 1172906, 1340464, 1675580, 2345812, 2680928, 2932265, 3351160, 4691624, 5361856, 5864530, 6702320, 9383248, 11729060, 13404640, 18766496, 23458120, 26809280, 37532992, 46916240, 93832480, 187664960]

約数ペア:

[(1, 187664960), (2, 93832480), (4, 46916240), (5, 37532992), (7, 26809280), (8, 23458120), (10, 18766496), (14, 13404640), (16, 11729060), (20, 9383248), (28, 6702320), (32, 5864530), (35, 5361856), (40, 4691624), (56, 3351160), (64, 2932265), (70, 2680928), (80, 2345812), (112, 1675580), (140, 1340464), (160, 1172906), (199, 943040), (224, 837790), (280, 670232), (320, 586453), (398, 471520), (421, 445760), (448, 418895), (560, 335116), (796, 235760), (842, 222880), (995, 188608), (1120, 167558), (1393, 134720), (1592, 117880), (1684, 111440), (1990, 94304), (2105, 89152), (2240, 83779), (2786, 67360), (2947, 63680), (3184, 58940), (3368, 55720), (3980, 47152), (4210, 44576), (5572, 33680), (5894, 31840), (6368, 29470), (6736, 27860), (6965, 26944), (7960, 23576), (8420, 22288), (11144, 16840), (11788, 15920), (12736, 14735), (13472, 13930)]