28249440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:504

約数の個数: 96

約数和(自身を含む): 89722080

約数和(自身を除く): 61472640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 229, 240, 257, 458, 480, 514, 687, 771, 916, 1028, 1145, 1285, 1374, 1542, 1832, 2056, 2290, 2570, 2748, 3084, 3435, 3664, 3855, 4112, 4580, 5140, 5496, 6168, 6870, 7328, 7710, 8224, 9160, 10280, 10992, 12336, 13740, 15420, 18320, 20560, 21984, 24672, 27480, 30840, 36640, 41120, 54960, 58853, 61680, 109920, 117706, 123360, 176559, 235412, 294265, 353118, 470824, 588530, 706236, 882795, 941648, 1177060, 1412472, 1765590, 1883296, 2354120, 2824944, 3531180, 4708240, 5649888, 7062360, 9416480, 14124720, 28249440]

約数ペア:

[(1, 28249440), (2, 14124720), (3, 9416480), (4, 7062360), (5, 5649888), (6, 4708240), (8, 3531180), (10, 2824944), (12, 2354120), (15, 1883296), (16, 1765590), (20, 1412472), (24, 1177060), (30, 941648), (32, 882795), (40, 706236), (48, 588530), (60, 470824), (80, 353118), (96, 294265), (120, 235412), (160, 176559), (229, 123360), (240, 117706), (257, 109920), (458, 61680), (480, 58853), (514, 54960), (687, 41120), (771, 36640), (916, 30840), (1028, 27480), (1145, 24672), (1285, 21984), (1374, 20560), (1542, 18320), (1832, 15420), (2056, 13740), (2290, 12336), (2570, 10992), (2748, 10280), (3084, 9160), (3435, 8224), (3664, 7710), (3855, 7328), (4112, 6870), (4580, 6168), (5140, 5496)]