1491390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 3948048

約数和(自身を除く): 2456658

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 146, 219, 227, 365, 438, 454, 657, 681, 730, 1095, 1135, 1314, 1362, 2043, 2190, 2270, 3285, 3405, 4086, 6570, 6810, 10215, 16571, 20430, 33142, 49713, 82855, 99426, 149139, 165710, 248565, 298278, 497130, 745695, 1491390]

約数ペア:

[(1, 1491390), (2, 745695), (3, 497130), (5, 298278), (6, 248565), (9, 165710), (10, 149139), (15, 99426), (18, 82855), (30, 49713), (45, 33142), (73, 20430), (90, 16571), (146, 10215), (219, 6810), (227, 6570), (365, 4086), (438, 3405), (454, 3285), (657, 2270), (681, 2190), (730, 2043), (1095, 1362), (1135, 1314)]