51924320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 147374640

約数和(自身を除く): 95450320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 160, 179, 185, 196, 224, 245, 259, 280, 296, 358, 370, 392, 490, 518, 560, 592, 716, 740, 784, 895, 980, 1036, 1120, 1184, 1253, 1295, 1432, 1480, 1568, 1790, 1813, 1960, 2072, 2506, 2590, 2864, 2960, 3580, 3626, 3920, 4144, 5012, 5180, 5728, 5920, 6265, 6623, 7160, 7252, 7840, 8288, 8771, 9065, 10024, 10360, 12530, 13246, 14320, 14504, 17542, 18130, 20048, 20720, 25060, 26492, 28640, 29008, 33115, 35084, 36260, 40096, 41440, 43855, 46361, 50120, 52984, 58016, 66230, 70168, 72520, 87710, 92722, 100240, 105968, 132460, 140336, 145040, 175420, 185444, 200480, 211936, 231805, 264920, 280672, 290080, 324527, 350840, 370888, 463610, 529840, 649054, 701680, 741776, 927220, 1059680, 1298108, 1403360, 1483552, 1622635, 1854440, 2596216, 3245270, 3708880, 5192432, 6490540, 7417760, 10384864, 12981080, 25962160, 51924320]

約数ペア:

[(1, 51924320), (2, 25962160), (4, 12981080), (5, 10384864), (7, 7417760), (8, 6490540), (10, 5192432), (14, 3708880), (16, 3245270), (20, 2596216), (28, 1854440), (32, 1622635), (35, 1483552), (37, 1403360), (40, 1298108), (49, 1059680), (56, 927220), (70, 741776), (74, 701680), (80, 649054), (98, 529840), (112, 463610), (140, 370888), (148, 350840), (160, 324527), (179, 290080), (185, 280672), (196, 264920), (224, 231805), (245, 211936), (259, 200480), (280, 185444), (296, 175420), (358, 145040), (370, 140336), (392, 132460), (490, 105968), (518, 100240), (560, 92722), (592, 87710), (716, 72520), (740, 70168), (784, 66230), (895, 58016), (980, 52984), (1036, 50120), (1120, 46361), (1184, 43855), (1253, 41440), (1295, 40096), (1432, 36260), (1480, 35084), (1568, 33115), (1790, 29008), (1813, 28640), (1960, 26492), (2072, 25060), (2506, 20720), (2590, 20048), (2864, 18130), (2960, 17542), (3580, 14504), (3626, 14320), (3920, 13246), (4144, 12530), (5012, 10360), (5180, 10024), (5728, 9065), (5920, 8771), (6265, 8288), (6623, 7840), (7160, 7252)]