80768340

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{16619}}^1$

素因数の和:16643

約数の個数: 72

約数和(自身を含む): 254086560

約数和(自身を除く): 173318220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 16619, 33238, 49857, 66476, 83095, 99714, 149571, 166190, 199428, 249285, 299142, 332380, 448713, 498570, 598284, 747855, 897426, 997140, 1346139, 1495710, 1794852, 2243565, 2692278, 2991420, 4038417, 4487130, 5384556, 6730695, 8076834, 8974260, 13461390, 16153668, 20192085, 26922780, 40384170, 80768340]

約数ペア:

[(1, 80768340), (2, 40384170), (3, 26922780), (4, 20192085), (5, 16153668), (6, 13461390), (9, 8974260), (10, 8076834), (12, 6730695), (15, 5384556), (18, 4487130), (20, 4038417), (27, 2991420), (30, 2692278), (36, 2243565), (45, 1794852), (54, 1495710), (60, 1346139), (81, 997140), (90, 897426), (108, 747855), (135, 598284), (162, 498570), (180, 448713), (243, 332380), (270, 299142), (324, 249285), (405, 199428), (486, 166190), (540, 149571), (810, 99714), (972, 83095), (1215, 66476), (1620, 49857), (2430, 33238), (4860, 16619)]