64551680

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 167771520

約数和(自身を除く): 103219840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 37, 40, 47, 58, 64, 74, 80, 94, 116, 128, 145, 148, 160, 185, 188, 232, 235, 256, 290, 296, 320, 370, 376, 464, 470, 580, 592, 640, 740, 752, 928, 940, 1073, 1160, 1184, 1280, 1363, 1480, 1504, 1739, 1856, 1880, 2146, 2320, 2368, 2726, 2960, 3008, 3478, 3712, 3760, 4292, 4640, 4736, 5365, 5452, 5920, 6016, 6815, 6956, 7424, 7520, 8584, 8695, 9280, 9472, 10730, 10904, 11840, 12032, 13630, 13912, 15040, 17168, 17390, 18560, 21460, 21808, 23680, 27260, 27824, 30080, 34336, 34780, 37120, 42920, 43616, 47360, 50431, 54520, 55648, 60160, 68672, 69560, 85840, 87232, 100862, 109040, 111296, 137344, 139120, 171680, 174464, 201724, 218080, 222592, 252155, 274688, 278240, 343360, 348928, 403448, 436160, 445184, 504310, 556480, 686720, 806896, 872320, 1008620, 1112960, 1373440, 1613792, 1744640, 2017240, 2225920, 3227584, 4034480, 6455168, 8068960, 12910336, 16137920, 32275840, 64551680]

約数ペア:

[(1, 64551680), (2, 32275840), (4, 16137920), (5, 12910336), (8, 8068960), (10, 6455168), (16, 4034480), (20, 3227584), (29, 2225920), (32, 2017240), (37, 1744640), (40, 1613792), (47, 1373440), (58, 1112960), (64, 1008620), (74, 872320), (80, 806896), (94, 686720), (116, 556480), (128, 504310), (145, 445184), (148, 436160), (160, 403448), (185, 348928), (188, 343360), (232, 278240), (235, 274688), (256, 252155), (290, 222592), (296, 218080), (320, 201724), (370, 174464), (376, 171680), (464, 139120), (470, 137344), (580, 111296), (592, 109040), (640, 100862), (740, 87232), (752, 85840), (928, 69560), (940, 68672), (1073, 60160), (1160, 55648), (1184, 54520), (1280, 50431), (1363, 47360), (1480, 43616), (1504, 42920), (1739, 37120), (1856, 34780), (1880, 34336), (2146, 30080), (2320, 27824), (2368, 27260), (2726, 23680), (2960, 21808), (3008, 21460), (3478, 18560), (3712, 17390), (3760, 17168), (4292, 15040), (4640, 13912), (4736, 13630), (5365, 12032), (5452, 11840), (5920, 10904), (6016, 10730), (6815, 9472), (6956, 9280), (7424, 8695), (7520, 8584)]