31888283280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{18981121}}^1$

素因数の和:18981144

約数の個数: 80

約数和(自身を含む): 112975638144

約数和(自身を除く): 81087354864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 18981121, 37962242, 56943363, 75924484, 94905605, 113886726, 132867847, 151848968, 189811210, 227773452, 265735694, 284716815, 303697936, 379622420, 398603541, 455546904, 531471388, 569433630, 664339235, 759244840, 797207082, 911093808, 1062942776, 1138867260, 1328678470, 1518489680, 1594414164, 1993017705, 2125885552, 2277734520, 2657356940, 3188828328, 3986035410, 4555469040, 5314713880, 6377656656, 7972070820, 10629427760, 15944141640, 31888283280]

約数ペア:

[(1, 31888283280), (2, 15944141640), (3, 10629427760), (4, 7972070820), (5, 6377656656), (6, 5314713880), (7, 4555469040), (8, 3986035410), (10, 3188828328), (12, 2657356940), (14, 2277734520), (15, 2125885552), (16, 1993017705), (20, 1594414164), (21, 1518489680), (24, 1328678470), (28, 1138867260), (30, 1062942776), (35, 911093808), (40, 797207082), (42, 759244840), (48, 664339235), (56, 569433630), (60, 531471388), (70, 455546904), (80, 398603541), (84, 379622420), (105, 303697936), (112, 284716815), (120, 265735694), (140, 227773452), (168, 189811210), (210, 151848968), (240, 132867847), (280, 113886726), (336, 94905605), (420, 75924484), (560, 56943363), (840, 37962242), (1680, 18981121)]