123788520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1879}}^1$

素因数の和:1960

約数の個数: 128

約数和(自身を含む): 419616000

約数和(自身を除く): 295827480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 360, 366, 488, 540, 549, 610, 732, 915, 1080, 1098, 1220, 1464, 1647, 1830, 1879, 2196, 2440, 2745, 3294, 3660, 3758, 4392, 5490, 5637, 6588, 7320, 7516, 8235, 9395, 10980, 11274, 13176, 15032, 16470, 16911, 18790, 21960, 22548, 28185, 32940, 33822, 37580, 45096, 50733, 56370, 65880, 67644, 75160, 84555, 101466, 112740, 114619, 135288, 169110, 202932, 225480, 229238, 253665, 338220, 343857, 405864, 458476, 507330, 573095, 676440, 687714, 916952, 1014660, 1031571, 1146190, 1375428, 1719285, 2029320, 2063142, 2292380, 2750856, 3094713, 3438570, 4126284, 4584760, 5157855, 6189426, 6877140, 8252568, 10315710, 12378852, 13754280, 15473565, 20631420, 24757704, 30947130, 41262840, 61894260, 123788520]

約数ペア:

[(1, 123788520), (2, 61894260), (3, 41262840), (4, 30947130), (5, 24757704), (6, 20631420), (8, 15473565), (9, 13754280), (10, 12378852), (12, 10315710), (15, 8252568), (18, 6877140), (20, 6189426), (24, 5157855), (27, 4584760), (30, 4126284), (36, 3438570), (40, 3094713), (45, 2750856), (54, 2292380), (60, 2063142), (61, 2029320), (72, 1719285), (90, 1375428), (108, 1146190), (120, 1031571), (122, 1014660), (135, 916952), (180, 687714), (183, 676440), (216, 573095), (244, 507330), (270, 458476), (305, 405864), (360, 343857), (366, 338220), (488, 253665), (540, 229238), (549, 225480), (610, 202932), (732, 169110), (915, 135288), (1080, 114619), (1098, 112740), (1220, 101466), (1464, 84555), (1647, 75160), (1830, 67644), (1879, 65880), (2196, 56370), (2440, 50733), (2745, 45096), (3294, 37580), (3660, 33822), (3758, 32940), (4392, 28185), (5490, 22548), (5637, 21960), (6588, 18790), (7320, 16911), (7516, 16470), (8235, 15032), (9395, 13176), (10980, 11274)]