220024960

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2707}}^1$

素因数の和:2853

約数の個数: 64

約数和(自身を含む): 530334720

約数和(自身を除く): 310309760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2540, 2707, 4064, 5080, 5414, 8128, 10160, 10828, 13535, 16256, 20320, 21656, 27070, 40640, 43312, 54140, 81280, 86624, 108280, 173248, 216560, 343789, 346496, 433120, 687578, 866240, 1375156, 1718945, 1732480, 2750312, 3437890, 5500624, 6875780, 11001248, 13751560, 22002496, 27503120, 44004992, 55006240, 110012480, 220024960]

約数ペア:

[(1, 220024960), (2, 110012480), (4, 55006240), (5, 44004992), (8, 27503120), (10, 22002496), (16, 13751560), (20, 11001248), (32, 6875780), (40, 5500624), (64, 3437890), (80, 2750312), (127, 1732480), (128, 1718945), (160, 1375156), (254, 866240), (320, 687578), (508, 433120), (635, 346496), (640, 343789), (1016, 216560), (1270, 173248), (2032, 108280), (2540, 86624), (2707, 81280), (4064, 54140), (5080, 43312), (5414, 40640), (8128, 27070), (10160, 21656), (10828, 20320), (13535, 16256)]