80477880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:813

約数の個数: 128

約数和(自身を含む): 278208000

約数和(自身を除く): 197730120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 149, 168, 210, 280, 298, 420, 447, 596, 643, 745, 840, 894, 1043, 1192, 1286, 1490, 1788, 1929, 2086, 2235, 2572, 2980, 3129, 3215, 3576, 3858, 4172, 4470, 4501, 5144, 5215, 5960, 6258, 6430, 7716, 8344, 8940, 9002, 9645, 10430, 12516, 12860, 13503, 15432, 15645, 17880, 18004, 19290, 20860, 22505, 25032, 25720, 27006, 31290, 36008, 38580, 41720, 45010, 54012, 62580, 67515, 77160, 90020, 95807, 108024, 125160, 135030, 180040, 191614, 270060, 287421, 383228, 479035, 540120, 574842, 670649, 766456, 958070, 1149684, 1341298, 1437105, 1916140, 2011947, 2299368, 2682596, 2874210, 3353245, 3832280, 4023894, 5365192, 5748420, 6706490, 8047788, 10059735, 11496840, 13412980, 16095576, 20119470, 26825960, 40238940, 80477880]

約数ペア:

[(1, 80477880), (2, 40238940), (3, 26825960), (4, 20119470), (5, 16095576), (6, 13412980), (7, 11496840), (8, 10059735), (10, 8047788), (12, 6706490), (14, 5748420), (15, 5365192), (20, 4023894), (21, 3832280), (24, 3353245), (28, 2874210), (30, 2682596), (35, 2299368), (40, 2011947), (42, 1916140), (56, 1437105), (60, 1341298), (70, 1149684), (84, 958070), (105, 766456), (120, 670649), (140, 574842), (149, 540120), (168, 479035), (210, 383228), (280, 287421), (298, 270060), (420, 191614), (447, 180040), (596, 135030), (643, 125160), (745, 108024), (840, 95807), (894, 90020), (1043, 77160), (1192, 67515), (1286, 62580), (1490, 54012), (1788, 45010), (1929, 41720), (2086, 38580), (2235, 36008), (2572, 31290), (2980, 27006), (3129, 25720), (3215, 25032), (3576, 22505), (3858, 20860), (4172, 19290), (4470, 18004), (4501, 17880), (5144, 15645), (5215, 15432), (5960, 13503), (6258, 12860), (6430, 12516), (7716, 10430), (8344, 9645), (8940, 9002)]