66820680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61871}}^1$

素因数の和:61891

約数の個数: 64

約数和(自身を含む): 222739200

約数和(自身を除く): 155918520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 61871, 123742, 185613, 247484, 309355, 371226, 494968, 556839, 618710, 742452, 928065, 1113678, 1237420, 1484904, 1670517, 1856130, 2227356, 2474840, 2784195, 3341034, 3712260, 4454712, 5568390, 6682068, 7424520, 8352585, 11136780, 13364136, 16705170, 22273560, 33410340, 66820680]

約数ペア:

[(1, 66820680), (2, 33410340), (3, 22273560), (4, 16705170), (5, 13364136), (6, 11136780), (8, 8352585), (9, 7424520), (10, 6682068), (12, 5568390), (15, 4454712), (18, 3712260), (20, 3341034), (24, 2784195), (27, 2474840), (30, 2227356), (36, 1856130), (40, 1670517), (45, 1484904), (54, 1237420), (60, 1113678), (72, 928065), (90, 742452), (108, 618710), (120, 556839), (135, 494968), (180, 371226), (216, 309355), (270, 247484), (360, 185613), (540, 123742), (1080, 61871)]