157994480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{919}}^1$

素因数の和:1246

約数の個数: 80

約数和(自身を含む): 421639680

約数和(自身を除く): 263645200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 307, 560, 614, 919, 1228, 1535, 1838, 2149, 2456, 3070, 3676, 4298, 4595, 4912, 6140, 6433, 7352, 8596, 9190, 10745, 12280, 12866, 14704, 17192, 18380, 21490, 24560, 25732, 32165, 34384, 36760, 42980, 51464, 64330, 73520, 85960, 102928, 128660, 171920, 257320, 282133, 514640, 564266, 1128532, 1410665, 1974931, 2257064, 2821330, 3949862, 4514128, 5642660, 7899724, 9874655, 11285320, 15799448, 19749310, 22570640, 31598896, 39498620, 78997240, 157994480]

約数ペア:

[(1, 157994480), (2, 78997240), (4, 39498620), (5, 31598896), (7, 22570640), (8, 19749310), (10, 15799448), (14, 11285320), (16, 9874655), (20, 7899724), (28, 5642660), (35, 4514128), (40, 3949862), (56, 2821330), (70, 2257064), (80, 1974931), (112, 1410665), (140, 1128532), (280, 564266), (307, 514640), (560, 282133), (614, 257320), (919, 171920), (1228, 128660), (1535, 102928), (1838, 85960), (2149, 73520), (2456, 64330), (3070, 51464), (3676, 42980), (4298, 36760), (4595, 34384), (4912, 32165), (6140, 25732), (6433, 24560), (7352, 21490), (8596, 18380), (9190, 17192), (10745, 14704), (12280, 12866)]