28893720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^2\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 89377200

約数和(自身を除く): 60483480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 109, 120, 141, 188, 218, 235, 282, 327, 376, 436, 470, 545, 564, 654, 705, 872, 940, 1090, 1128, 1308, 1410, 1635, 1880, 2180, 2209, 2616, 2820, 3270, 4360, 4418, 5123, 5640, 6540, 6627, 8836, 10246, 11045, 13080, 13254, 15369, 17672, 20492, 22090, 25615, 26508, 30738, 33135, 40984, 44180, 51230, 53016, 61476, 66270, 76845, 88360, 102460, 122952, 132540, 153690, 204920, 240781, 265080, 307380, 481562, 614760, 722343, 963124, 1203905, 1444686, 1926248, 2407810, 2889372, 3611715, 4815620, 5778744, 7223430, 9631240, 14446860, 28893720]

約数ペア:

[(1, 28893720), (2, 14446860), (3, 9631240), (4, 7223430), (5, 5778744), (6, 4815620), (8, 3611715), (10, 2889372), (12, 2407810), (15, 1926248), (20, 1444686), (24, 1203905), (30, 963124), (40, 722343), (47, 614760), (60, 481562), (94, 307380), (109, 265080), (120, 240781), (141, 204920), (188, 153690), (218, 132540), (235, 122952), (282, 102460), (327, 88360), (376, 76845), (436, 66270), (470, 61476), (545, 53016), (564, 51230), (654, 44180), (705, 40984), (872, 33135), (940, 30738), (1090, 26508), (1128, 25615), (1308, 22090), (1410, 20492), (1635, 17672), (1880, 15369), (2180, 13254), (2209, 13080), (2616, 11045), (2820, 10246), (3270, 8836), (4360, 6627), (4418, 6540), (5123, 5640)]