68123120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2113}}^1$

素因数の和:2170

約数の個数: 80

約数和(自身を含む): 176155392

約数和(自身を除く): 108032272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2113, 2480, 3224, 4030, 4226, 6448, 8060, 8452, 10565, 16120, 16904, 21130, 27469, 32240, 33808, 42260, 54938, 65503, 84520, 109876, 131006, 137345, 169040, 219752, 262012, 274690, 327515, 439504, 524024, 549380, 655030, 851539, 1048048, 1098760, 1310060, 1703078, 2197520, 2620120, 3406156, 4257695, 5240240, 6812312, 8515390, 13624624, 17030780, 34061560, 68123120]

約数ペア:

[(1, 68123120), (2, 34061560), (4, 17030780), (5, 13624624), (8, 8515390), (10, 6812312), (13, 5240240), (16, 4257695), (20, 3406156), (26, 2620120), (31, 2197520), (40, 1703078), (52, 1310060), (62, 1098760), (65, 1048048), (80, 851539), (104, 655030), (124, 549380), (130, 524024), (155, 439504), (208, 327515), (248, 274690), (260, 262012), (310, 219752), (403, 169040), (496, 137345), (520, 131006), (620, 109876), (806, 84520), (1040, 65503), (1240, 54938), (1612, 42260), (2015, 33808), (2113, 32240), (2480, 27469), (3224, 21130), (4030, 16904), (4226, 16120), (6448, 10565), (8060, 8452)]