128766480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{5209}}^1$

素因数の和:5328

約数の個数: 80

約数和(自身を含む): 403128960

約数和(自身を除く): 274362480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1648, 2060, 2472, 3090, 4120, 4944, 5209, 6180, 8240, 10418, 12360, 15627, 20836, 24720, 26045, 31254, 41672, 52090, 62508, 78135, 83344, 104180, 125016, 156270, 208360, 250032, 312540, 416720, 536527, 625080, 1073054, 1250160, 1609581, 2146108, 2682635, 3219162, 4292216, 5365270, 6438324, 8047905, 8584432, 10730540, 12876648, 16095810, 21461080, 25753296, 32191620, 42922160, 64383240, 128766480]

約数ペア:

[(1, 128766480), (2, 64383240), (3, 42922160), (4, 32191620), (5, 25753296), (6, 21461080), (8, 16095810), (10, 12876648), (12, 10730540), (15, 8584432), (16, 8047905), (20, 6438324), (24, 5365270), (30, 4292216), (40, 3219162), (48, 2682635), (60, 2146108), (80, 1609581), (103, 1250160), (120, 1073054), (206, 625080), (240, 536527), (309, 416720), (412, 312540), (515, 250032), (618, 208360), (824, 156270), (1030, 125016), (1236, 104180), (1545, 83344), (1648, 78135), (2060, 62508), (2472, 52090), (3090, 41672), (4120, 31254), (4944, 26045), (5209, 24720), (6180, 20836), (8240, 15627), (10418, 12360)]