67411760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1223}}^1$

素因数の和:1302

約数の個数: 80

約数和(自身を含む): 172113984

約数和(自身を除く): 104702224

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, 1223, 1378, 2120, 2446, 2756, 3445, 4240, 4892, 5512, 6115, 6890, 9784, 11024, 12230, 13780, 15899, 19568, 24460, 27560, 31798, 48920, 55120, 63596, 64819, 79495, 97840, 127192, 129638, 158990, 254384, 259276, 317980, 324095, 518552, 635960, 648190, 842647, 1037104, 1271920, 1296380, 1685294, 2592760, 3370588, 4213235, 5185520, 6741176, 8426470, 13482352, 16852940, 33705880, 67411760]

約数ペア:

[(1, 67411760), (2, 33705880), (4, 16852940), (5, 13482352), (8, 8426470), (10, 6741176), (13, 5185520), (16, 4213235), (20, 3370588), (26, 2592760), (40, 1685294), (52, 1296380), (53, 1271920), (65, 1037104), (80, 842647), (104, 648190), (106, 635960), (130, 518552), (208, 324095), (212, 317980), (260, 259276), (265, 254384), (424, 158990), (520, 129638), (530, 127192), (689, 97840), (848, 79495), (1040, 64819), (1060, 63596), (1223, 55120), (1378, 48920), (2120, 31798), (2446, 27560), (2756, 24460), (3445, 19568), (4240, 15899), (4892, 13780), (5512, 12230), (6115, 11024), (6890, 9784)]