68765680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{857}}^1$

素因数の和:946

約数の個数: 80

約数和(自身を含む): 172355040

約数和(自身を除く): 103589360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 59, 68, 80, 85, 118, 136, 170, 236, 272, 295, 340, 472, 590, 680, 857, 944, 1003, 1180, 1360, 1714, 2006, 2360, 3428, 4012, 4285, 4720, 5015, 6856, 8024, 8570, 10030, 13712, 14569, 16048, 17140, 20060, 29138, 34280, 40120, 50563, 58276, 68560, 72845, 80240, 101126, 116552, 145690, 202252, 233104, 252815, 291380, 404504, 505630, 582760, 809008, 859571, 1011260, 1165520, 1719142, 2022520, 3438284, 4045040, 4297855, 6876568, 8595710, 13753136, 17191420, 34382840, 68765680]

約数ペア:

[(1, 68765680), (2, 34382840), (4, 17191420), (5, 13753136), (8, 8595710), (10, 6876568), (16, 4297855), (17, 4045040), (20, 3438284), (34, 2022520), (40, 1719142), (59, 1165520), (68, 1011260), (80, 859571), (85, 809008), (118, 582760), (136, 505630), (170, 404504), (236, 291380), (272, 252815), (295, 233104), (340, 202252), (472, 145690), (590, 116552), (680, 101126), (857, 80240), (944, 72845), (1003, 68560), (1180, 58276), (1360, 50563), (1714, 40120), (2006, 34280), (2360, 29138), (3428, 20060), (4012, 17140), (4285, 16048), (4720, 14569), (5015, 13712), (6856, 10030), (8024, 8570)]