68844880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1328

約数の個数: 80

約数和(自身を含む): 175770000

約数和(自身を除く): 106925120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 689, 848, 1040, 1060, 1249, 1378, 2120, 2498, 2756, 3445, 4240, 4996, 5512, 6245, 6890, 9992, 11024, 12490, 13780, 16237, 19984, 24980, 27560, 32474, 49960, 55120, 64948, 66197, 81185, 99920, 129896, 132394, 162370, 259792, 264788, 324740, 330985, 529576, 649480, 661970, 860561, 1059152, 1298960, 1323940, 1721122, 2647880, 3442244, 4302805, 5295760, 6884488, 8605610, 13768976, 17211220, 34422440, 68844880]

約数ペア:

[(1, 68844880), (2, 34422440), (4, 17211220), (5, 13768976), (8, 8605610), (10, 6884488), (13, 5295760), (16, 4302805), (20, 3442244), (26, 2647880), (40, 1721122), (52, 1323940), (53, 1298960), (65, 1059152), (80, 860561), (104, 661970), (106, 649480), (130, 529576), (208, 330985), (212, 324740), (260, 264788), (265, 259792), (424, 162370), (520, 132394), (530, 129896), (689, 99920), (848, 81185), (1040, 66197), (1060, 64948), (1249, 55120), (1378, 49960), (2120, 32474), (2498, 27560), (2756, 24980), (3445, 19984), (4240, 16237), (4996, 13780), (5512, 12490), (6245, 11024), (6890, 9992)]