38896020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{769}}^1$

素因数の和:1065

約数の個数: 72

約数和(自身を含む): 118558440

約数和(自身を除く): 79662420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 562, 769, 843, 1124, 1405, 1538, 1686, 2307, 2529, 2810, 3076, 3372, 3845, 4215, 4614, 5058, 5620, 6921, 7690, 8430, 9228, 10116, 11535, 12645, 13842, 15380, 16860, 23070, 25290, 27684, 34605, 46140, 50580, 69210, 138420, 216089, 432178, 648267, 864356, 1080445, 1296534, 1944801, 2160890, 2593068, 3241335, 3889602, 4321780, 6482670, 7779204, 9724005, 12965340, 19448010, 38896020]

約数ペア:

[(1, 38896020), (2, 19448010), (3, 12965340), (4, 9724005), (5, 7779204), (6, 6482670), (9, 4321780), (10, 3889602), (12, 3241335), (15, 2593068), (18, 2160890), (20, 1944801), (30, 1296534), (36, 1080445), (45, 864356), (60, 648267), (90, 432178), (180, 216089), (281, 138420), (562, 69210), (769, 50580), (843, 46140), (1124, 34605), (1405, 27684), (1538, 25290), (1686, 23070), (2307, 16860), (2529, 15380), (2810, 13842), (3076, 12645), (3372, 11535), (3845, 10116), (4215, 9228), (4614, 8430), (5058, 7690), (5620, 6921)]