2018090840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 4859136000

約数和(自身を除く): 2841045160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 115, 146, 151, 184, 199, 230, 292, 302, 365, 398, 460, 584, 604, 730, 755, 796, 920, 995, 1208, 1460, 1510, 1592, 1679, 1990, 2920, 3020, 3358, 3473, 3980, 4577, 6040, 6716, 6946, 7960, 8395, 9154, 11023, 13432, 13892, 14527, 16790, 17365, 18308, 22046, 22885, 27784, 29054, 30049, 33580, 34730, 36616, 44092, 45770, 55115, 58108, 60098, 67160, 69460, 72635, 88184, 91540, 110230, 116216, 120196, 138920, 145270, 150245, 183080, 220460, 240392, 253529, 290540, 300490, 334121, 440920, 507058, 581080, 600980, 668242, 691127, 1014116, 1201960, 1267645, 1336484, 1382254, 1670605, 2028232, 2193577, 2535290, 2672968, 2764508, 3341210, 3455635, 4387154, 5070580, 5529016, 6682420, 6911270, 8774308, 10141160, 10967885, 13364840, 13822540, 17548616, 21935770, 27645080, 43871540, 50452271, 87743080, 100904542, 201809084, 252261355, 403618168, 504522710, 1009045420, 2018090840]

約数ペア:

[(1, 2018090840), (2, 1009045420), (4, 504522710), (5, 403618168), (8, 252261355), (10, 201809084), (20, 100904542), (23, 87743080), (40, 50452271), (46, 43871540), (73, 27645080), (92, 21935770), (115, 17548616), (146, 13822540), (151, 13364840), (184, 10967885), (199, 10141160), (230, 8774308), (292, 6911270), (302, 6682420), (365, 5529016), (398, 5070580), (460, 4387154), (584, 3455635), (604, 3341210), (730, 2764508), (755, 2672968), (796, 2535290), (920, 2193577), (995, 2028232), (1208, 1670605), (1460, 1382254), (1510, 1336484), (1592, 1267645), (1679, 1201960), (1990, 1014116), (2920, 691127), (3020, 668242), (3358, 600980), (3473, 581080), (3980, 507058), (4577, 440920), (6040, 334121), (6716, 300490), (6946, 290540), (7960, 253529), (8395, 240392), (9154, 220460), (11023, 183080), (13432, 150245), (13892, 145270), (14527, 138920), (16790, 120196), (17365, 116216), (18308, 110230), (22046, 91540), (22885, 88184), (27784, 72635), (29054, 69460), (30049, 67160), (33580, 60098), (34730, 58108), (36616, 55115), (44092, 45770)]