81497952

素因数分解:

$2^5\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4639}}^1$

素因数の和:4716

約数の個数: 72

約数和(自身を含む): 235609920

約数和(自身を除く): 154111968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 72, 96, 122, 144, 183, 244, 288, 366, 488, 549, 732, 976, 1098, 1464, 1952, 2196, 2928, 4392, 4639, 5856, 8784, 9278, 13917, 17568, 18556, 27834, 37112, 41751, 55668, 74224, 83502, 111336, 148448, 167004, 222672, 282979, 334008, 445344, 565958, 668016, 848937, 1131916, 1336032, 1697874, 2263832, 2546811, 3395748, 4527664, 5093622, 6791496, 9055328, 10187244, 13582992, 20374488, 27165984, 40748976, 81497952]

約数ペア:

[(1, 81497952), (2, 40748976), (3, 27165984), (4, 20374488), (6, 13582992), (8, 10187244), (9, 9055328), (12, 6791496), (16, 5093622), (18, 4527664), (24, 3395748), (32, 2546811), (36, 2263832), (48, 1697874), (61, 1336032), (72, 1131916), (96, 848937), (122, 668016), (144, 565958), (183, 445344), (244, 334008), (288, 282979), (366, 222672), (488, 167004), (549, 148448), (732, 111336), (976, 83502), (1098, 74224), (1464, 55668), (1952, 41751), (2196, 37112), (2928, 27834), (4392, 18556), (4639, 17568), (5856, 13917), (8784, 9278)]