81121792

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:337

約数の個数: 80

約数和(自身を含む): 176774400

約数和(自身を除く): 95652608

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 269, 304, 496, 512, 538, 589, 608, 992, 1076, 1178, 1216, 1984, 2152, 2356, 2432, 3968, 4304, 4712, 4864, 5111, 7936, 8339, 8608, 9424, 9728, 10222, 15872, 16678, 17216, 18848, 20444, 33356, 34432, 37696, 40888, 66712, 68864, 75392, 81776, 133424, 137728, 150784, 158441, 163552, 266848, 301568, 316882, 327104, 533696, 633764, 654208, 1067392, 1267528, 1308416, 2134784, 2535056, 2616832, 4269568, 5070112, 10140224, 20280448, 40560896, 81121792]

約数ペア:

[(1, 81121792), (2, 40560896), (4, 20280448), (8, 10140224), (16, 5070112), (19, 4269568), (31, 2616832), (32, 2535056), (38, 2134784), (62, 1308416), (64, 1267528), (76, 1067392), (124, 654208), (128, 633764), (152, 533696), (248, 327104), (256, 316882), (269, 301568), (304, 266848), (496, 163552), (512, 158441), (538, 150784), (589, 137728), (608, 133424), (992, 81776), (1076, 75392), (1178, 68864), (1216, 66712), (1984, 40888), (2152, 37696), (2356, 34432), (2432, 33356), (3968, 20444), (4304, 18848), (4712, 17216), (4864, 16678), (5111, 15872), (7936, 10222), (8339, 9728), (8608, 9424)]