64820784

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1873}}^1$

素因数の和:1994

約数の個数: 80

約数和(自身を含む): 193336832

約数和(自身を除く): 128516048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 103, 112, 168, 206, 309, 336, 412, 618, 721, 824, 1236, 1442, 1648, 1873, 2163, 2472, 2884, 3746, 4326, 4944, 5619, 5768, 7492, 8652, 11238, 11536, 13111, 14984, 17304, 22476, 26222, 29968, 34608, 39333, 44952, 52444, 78666, 89904, 104888, 157332, 192919, 209776, 314664, 385838, 578757, 629328, 771676, 1157514, 1350433, 1543352, 2315028, 2700866, 3086704, 4051299, 4630056, 5401732, 8102598, 9260112, 10803464, 16205196, 21606928, 32410392, 64820784]

約数ペア:

[(1, 64820784), (2, 32410392), (3, 21606928), (4, 16205196), (6, 10803464), (7, 9260112), (8, 8102598), (12, 5401732), (14, 4630056), (16, 4051299), (21, 3086704), (24, 2700866), (28, 2315028), (42, 1543352), (48, 1350433), (56, 1157514), (84, 771676), (103, 629328), (112, 578757), (168, 385838), (206, 314664), (309, 209776), (336, 192919), (412, 157332), (618, 104888), (721, 89904), (824, 78666), (1236, 52444), (1442, 44952), (1648, 39333), (1873, 34608), (2163, 29968), (2472, 26222), (2884, 22476), (3746, 17304), (4326, 14984), (4944, 13111), (5619, 11536), (5768, 11238), (7492, 8652)]