1640403120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{53819}}^1$

素因数の和:53962

約数の個数: 80

約数和(自身を含む): 5125386240

約数和(自身を除く): 3484983120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 5080, 6096, 7620, 10160, 15240, 30480, 53819, 107638, 161457, 215276, 269095, 322914, 430552, 538190, 645828, 807285, 861104, 1076380, 1291656, 1614570, 2152760, 2583312, 3229140, 4305520, 6458280, 6835013, 12916560, 13670026, 20505039, 27340052, 34175065, 41010078, 54680104, 68350130, 82020156, 102525195, 109360208, 136700260, 164040312, 205050390, 273400520, 328080624, 410100780, 546801040, 820201560, 1640403120]

約数ペア:

[(1, 1640403120), (2, 820201560), (3, 546801040), (4, 410100780), (5, 328080624), (6, 273400520), (8, 205050390), (10, 164040312), (12, 136700260), (15, 109360208), (16, 102525195), (20, 82020156), (24, 68350130), (30, 54680104), (40, 41010078), (48, 34175065), (60, 27340052), (80, 20505039), (120, 13670026), (127, 12916560), (240, 6835013), (254, 6458280), (381, 4305520), (508, 3229140), (635, 2583312), (762, 2152760), (1016, 1614570), (1270, 1291656), (1524, 1076380), (1905, 861104), (2032, 807285), (2540, 645828), (3048, 538190), (3810, 430552), (5080, 322914), (6096, 269095), (7620, 215276), (10160, 161457), (15240, 107638), (30480, 53819)]