28750320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:639

約数の個数: 120

約数和(自身を含む): 98054736

約数和(自身を除く): 69304416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 180, 219, 240, 292, 360, 365, 438, 547, 584, 657, 720, 730, 876, 1094, 1095, 1168, 1314, 1460, 1641, 1752, 2188, 2190, 2628, 2735, 2920, 3282, 3285, 3504, 4376, 4380, 4923, 5256, 5470, 5840, 6564, 6570, 8205, 8752, 8760, 9846, 10512, 10940, 13128, 13140, 16410, 17520, 19692, 21880, 24615, 26256, 26280, 32820, 39384, 39931, 43760, 49230, 52560, 65640, 78768, 79862, 98460, 119793, 131280, 159724, 196920, 199655, 239586, 319448, 359379, 393840, 399310, 479172, 598965, 638896, 718758, 798620, 958344, 1197930, 1437516, 1597240, 1796895, 1916688, 2395860, 2875032, 3194480, 3593790, 4791720, 5750064, 7187580, 9583440, 14375160, 28750320]

約数ペア:

[(1, 28750320), (2, 14375160), (3, 9583440), (4, 7187580), (5, 5750064), (6, 4791720), (8, 3593790), (9, 3194480), (10, 2875032), (12, 2395860), (15, 1916688), (16, 1796895), (18, 1597240), (20, 1437516), (24, 1197930), (30, 958344), (36, 798620), (40, 718758), (45, 638896), (48, 598965), (60, 479172), (72, 399310), (73, 393840), (80, 359379), (90, 319448), (120, 239586), (144, 199655), (146, 196920), (180, 159724), (219, 131280), (240, 119793), (292, 98460), (360, 79862), (365, 78768), (438, 65640), (547, 52560), (584, 49230), (657, 43760), (720, 39931), (730, 39384), (876, 32820), (1094, 26280), (1095, 26256), (1168, 24615), (1314, 21880), (1460, 19692), (1641, 17520), (1752, 16410), (2188, 13140), (2190, 13128), (2628, 10940), (2735, 10512), (2920, 9846), (3282, 8760), (3285, 8752), (3504, 8205), (4376, 6570), (4380, 6564), (4923, 5840), (5256, 5470)]