144891040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{18481}}^1$

素因数の和:18510

約数の個数: 72

約数和(自身を含む): 398213172

約数和(自身を除く): 253322132

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 18481, 36962, 73924, 92405, 129367, 147848, 184810, 258734, 295696, 369620, 517468, 591392, 646835, 739240, 905569, 1034936, 1293670, 1478480, 1811138, 2069872, 2587340, 2956960, 3622276, 4139744, 4527845, 5174680, 7244552, 9055690, 10349360, 14489104, 18111380, 20698720, 28978208, 36222760, 72445520, 144891040]

約数ペア:

[(1, 144891040), (2, 72445520), (4, 36222760), (5, 28978208), (7, 20698720), (8, 18111380), (10, 14489104), (14, 10349360), (16, 9055690), (20, 7244552), (28, 5174680), (32, 4527845), (35, 4139744), (40, 3622276), (49, 2956960), (56, 2587340), (70, 2069872), (80, 1811138), (98, 1478480), (112, 1293670), (140, 1034936), (160, 905569), (196, 739240), (224, 646835), (245, 591392), (280, 517468), (392, 369620), (490, 295696), (560, 258734), (784, 184810), (980, 147848), (1120, 129367), (1568, 92405), (1960, 73924), (3920, 36962), (7840, 18481)]