265807320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:729

約数の個数: 128

約数和(自身を含む): 838080000

約数和(自身を除く): 572272680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 193, 230, 276, 345, 386, 460, 499, 552, 579, 690, 772, 920, 965, 998, 1158, 1380, 1497, 1544, 1930, 1996, 2316, 2495, 2760, 2895, 2994, 3860, 3992, 4439, 4632, 4990, 5790, 5988, 7485, 7720, 8878, 9980, 11477, 11580, 11976, 13317, 14970, 17756, 19960, 22195, 22954, 23160, 26634, 29940, 34431, 35512, 44390, 45908, 53268, 57385, 59880, 66585, 68862, 88780, 91816, 96307, 106536, 114770, 133170, 137724, 172155, 177560, 192614, 229540, 266340, 275448, 288921, 344310, 385228, 459080, 481535, 532680, 577842, 688620, 770456, 963070, 1155684, 1377240, 1444605, 1926140, 2215061, 2311368, 2889210, 3852280, 4430122, 5778420, 6645183, 8860244, 11075305, 11556840, 13290366, 17720488, 22150610, 26580732, 33225915, 44301220, 53161464, 66451830, 88602440, 132903660, 265807320]

約数ペア:

[(1, 265807320), (2, 132903660), (3, 88602440), (4, 66451830), (5, 53161464), (6, 44301220), (8, 33225915), (10, 26580732), (12, 22150610), (15, 17720488), (20, 13290366), (23, 11556840), (24, 11075305), (30, 8860244), (40, 6645183), (46, 5778420), (60, 4430122), (69, 3852280), (92, 2889210), (115, 2311368), (120, 2215061), (138, 1926140), (184, 1444605), (193, 1377240), (230, 1155684), (276, 963070), (345, 770456), (386, 688620), (460, 577842), (499, 532680), (552, 481535), (579, 459080), (690, 385228), (772, 344310), (920, 288921), (965, 275448), (998, 266340), (1158, 229540), (1380, 192614), (1497, 177560), (1544, 172155), (1930, 137724), (1996, 133170), (2316, 114770), (2495, 106536), (2760, 96307), (2895, 91816), (2994, 88780), (3860, 68862), (3992, 66585), (4439, 59880), (4632, 57385), (4990, 53268), (5790, 45908), (5988, 44390), (7485, 35512), (7720, 34431), (8878, 29940), (9980, 26634), (11477, 23160), (11580, 22954), (11976, 22195), (13317, 19960), (14970, 17756)]