68920240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:590

約数の個数: 80

約数和(自身を含む): 168828480

約数和(自身を除く): 99908240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 61, 80, 116, 122, 145, 232, 244, 290, 305, 464, 487, 488, 580, 610, 974, 976, 1160, 1220, 1769, 1948, 2320, 2435, 2440, 3538, 3896, 4870, 4880, 7076, 7792, 8845, 9740, 14123, 14152, 17690, 19480, 28246, 28304, 29707, 35380, 38960, 56492, 59414, 70615, 70760, 112984, 118828, 141230, 141520, 148535, 225968, 237656, 282460, 297070, 475312, 564920, 594140, 861503, 1129840, 1188280, 1723006, 2376560, 3446012, 4307515, 6892024, 8615030, 13784048, 17230060, 34460120, 68920240]

約数ペア:

[(1, 68920240), (2, 34460120), (4, 17230060), (5, 13784048), (8, 8615030), (10, 6892024), (16, 4307515), (20, 3446012), (29, 2376560), (40, 1723006), (58, 1188280), (61, 1129840), (80, 861503), (116, 594140), (122, 564920), (145, 475312), (232, 297070), (244, 282460), (290, 237656), (305, 225968), (464, 148535), (487, 141520), (488, 141230), (580, 118828), (610, 112984), (974, 70760), (976, 70615), (1160, 59414), (1220, 56492), (1769, 38960), (1948, 35380), (2320, 29707), (2435, 28304), (2440, 28246), (3538, 19480), (3896, 17690), (4870, 14152), (4880, 14123), (7076, 9740), (7792, 8845)]