66899840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 185803200

約数和(自身を除く): 118903360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 109, 112, 128, 137, 140, 160, 218, 224, 274, 280, 320, 436, 448, 545, 548, 560, 640, 685, 763, 872, 896, 959, 1090, 1096, 1120, 1370, 1526, 1744, 1918, 2180, 2192, 2240, 2740, 3052, 3488, 3815, 3836, 4360, 4384, 4480, 4795, 5480, 6104, 6976, 7630, 7672, 8720, 8768, 9590, 10960, 12208, 13952, 14933, 15260, 15344, 17440, 17536, 19180, 21920, 24416, 29866, 30520, 30688, 34880, 38360, 43840, 48832, 59732, 61040, 61376, 69760, 74665, 76720, 87680, 97664, 104531, 119464, 122080, 122752, 149330, 153440, 209062, 238928, 244160, 298660, 306880, 418124, 477856, 488320, 522655, 597320, 613760, 836248, 955712, 1045310, 1194640, 1672496, 1911424, 2090620, 2389280, 3344992, 4181240, 4778560, 6689984, 8362480, 9557120, 13379968, 16724960, 33449920, 66899840]

約数ペア:

[(1, 66899840), (2, 33449920), (4, 16724960), (5, 13379968), (7, 9557120), (8, 8362480), (10, 6689984), (14, 4778560), (16, 4181240), (20, 3344992), (28, 2389280), (32, 2090620), (35, 1911424), (40, 1672496), (56, 1194640), (64, 1045310), (70, 955712), (80, 836248), (109, 613760), (112, 597320), (128, 522655), (137, 488320), (140, 477856), (160, 418124), (218, 306880), (224, 298660), (274, 244160), (280, 238928), (320, 209062), (436, 153440), (448, 149330), (545, 122752), (548, 122080), (560, 119464), (640, 104531), (685, 97664), (763, 87680), (872, 76720), (896, 74665), (959, 69760), (1090, 61376), (1096, 61040), (1120, 59732), (1370, 48832), (1526, 43840), (1744, 38360), (1918, 34880), (2180, 30688), (2192, 30520), (2240, 29866), (2740, 24416), (3052, 21920), (3488, 19180), (3815, 17536), (3836, 17440), (4360, 15344), (4384, 15260), (4480, 14933), (4795, 13952), (5480, 12208), (6104, 10960), (6976, 9590), (7630, 8768), (7672, 8720)]