217616560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4919}}^1$

素因数の和:5018

約数の個数: 80

約数和(自身を含む): 585676800

約数和(自身を除く): 368060240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 2212, 2765, 3160, 4424, 4919, 5530, 6320, 8848, 9838, 11060, 19676, 22120, 24595, 34433, 39352, 44240, 49190, 68866, 78704, 98380, 137732, 172165, 196760, 275464, 344330, 388601, 393520, 550928, 688660, 777202, 1377320, 1554404, 1943005, 2720207, 2754640, 3108808, 3886010, 5440414, 6217616, 7772020, 10880828, 13601035, 15544040, 21761656, 27202070, 31088080, 43523312, 54404140, 108808280, 217616560]

約数ペア:

[(1, 217616560), (2, 108808280), (4, 54404140), (5, 43523312), (7, 31088080), (8, 27202070), (10, 21761656), (14, 15544040), (16, 13601035), (20, 10880828), (28, 7772020), (35, 6217616), (40, 5440414), (56, 3886010), (70, 3108808), (79, 2754640), (80, 2720207), (112, 1943005), (140, 1554404), (158, 1377320), (280, 777202), (316, 688660), (395, 550928), (553, 393520), (560, 388601), (632, 344330), (790, 275464), (1106, 196760), (1264, 172165), (1580, 137732), (2212, 98380), (2765, 78704), (3160, 68866), (4424, 49190), (4919, 44240), (5530, 39352), (6320, 34433), (8848, 24595), (9838, 22120), (11060, 19676)]