1289920

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:185

約数の個数: 56

約数和(自身を含む): 3200400

約数和(自身を除く): 1910480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 139, 145, 160, 232, 278, 290, 320, 464, 556, 580, 695, 928, 1112, 1160, 1390, 1856, 2224, 2320, 2780, 4031, 4448, 4640, 5560, 8062, 8896, 9280, 11120, 16124, 20155, 22240, 32248, 40310, 44480, 64496, 80620, 128992, 161240, 257984, 322480, 644960, 1289920]

約数ペア:

[(1, 1289920), (2, 644960), (4, 322480), (5, 257984), (8, 161240), (10, 128992), (16, 80620), (20, 64496), (29, 44480), (32, 40310), (40, 32248), (58, 22240), (64, 20155), (80, 16124), (116, 11120), (139, 9280), (145, 8896), (160, 8062), (232, 5560), (278, 4640), (290, 4448), (320, 4031), (464, 2780), (556, 2320), (580, 2224), (695, 1856), (928, 1390), (1112, 1160)]