676944240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{402943}}^1$

素因数の和:402966

約数の個数: 80

約数和(自身を含む): 2398322688

約数和(自身を除く): 1721378448

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, 402943, 805886, 1208829, 1611772, 2014715, 2417658, 2820601, 3223544, 4029430, 4835316, 5641202, 6044145, 6447088, 8058860, 8461803, 9670632, 11282404, 12088290, 14103005, 16117720, 16923606, 19341264, 22564808, 24176580, 28206010, 32235440, 33847212, 42309015, 45129616, 48353160, 56412020, 67694424, 84618030, 96706320, 112824040, 135388848, 169236060, 225648080, 338472120, 676944240]

約数ペア:

[(1, 676944240), (2, 338472120), (3, 225648080), (4, 169236060), (5, 135388848), (6, 112824040), (7, 96706320), (8, 84618030), (10, 67694424), (12, 56412020), (14, 48353160), (15, 45129616), (16, 42309015), (20, 33847212), (21, 32235440), (24, 28206010), (28, 24176580), (30, 22564808), (35, 19341264), (40, 16923606), (42, 16117720), (48, 14103005), (56, 12088290), (60, 11282404), (70, 9670632), (80, 8461803), (84, 8058860), (105, 6447088), (112, 6044145), (120, 5641202), (140, 4835316), (168, 4029430), (210, 3223544), (240, 2820601), (280, 2417658), (336, 2014715), (420, 1611772), (560, 1208829), (840, 805886), (1680, 402943)]