28840440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1613}}^1$

素因数の和:1776

約数の個数: 64

約数和(自身を含む): 87156000

約数和(自身を除く): 58315560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 1192, 1490, 1613, 1788, 2235, 2980, 3226, 3576, 4470, 4839, 5960, 6452, 8065, 8940, 9678, 12904, 16130, 17880, 19356, 24195, 32260, 38712, 48390, 64520, 96780, 193560, 240337, 480674, 721011, 961348, 1201685, 1442022, 1922696, 2403370, 2884044, 3605055, 4806740, 5768088, 7210110, 9613480, 14420220, 28840440]

約数ペア:

[(1, 28840440), (2, 14420220), (3, 9613480), (4, 7210110), (5, 5768088), (6, 4806740), (8, 3605055), (10, 2884044), (12, 2403370), (15, 1922696), (20, 1442022), (24, 1201685), (30, 961348), (40, 721011), (60, 480674), (120, 240337), (149, 193560), (298, 96780), (447, 64520), (596, 48390), (745, 38712), (894, 32260), (1192, 24195), (1490, 19356), (1613, 17880), (1788, 16130), (2235, 12904), (2980, 9678), (3226, 8940), (3576, 8065), (4470, 6452), (4839, 5960)]