681788.0000000

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:506

約数の個数: 72

約数和(自身を含む): 24766560

約数和(自身を除く): 16198848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 419, 426, 568, 639, 838, 852, 1136, 1257, 1278, 1676, 1704, 2272, 2514, 2556, 3352, 3408, 3771, 5028, 5112, 6704, 6816, 7542, 10056, 10224, 13408, 15084, 20112, 20448, 29749, 30168, 40224, 59498, 60336, 89247, 118996, 120672, 178494, 237992, 267741, 356988, 475984, 535482, 713976, 951968, 1070964, 1427952, 2141928, 2855904, 4283856, 8567712]

約数ペア:

[(1, 8567712), (2, 4283856), (3, 2855904), (4, 2141928), (6, 1427952), (8, 1070964), (9, 951968), (12, 713976), (16, 535482), (18, 475984), (24, 356988), (32, 267741), (36, 237992), (48, 178494), (71, 120672), (72, 118996), (96, 89247), (142, 60336), (144, 59498), (213, 40224), (284, 30168), (288, 29749), (419, 20448), (426, 20112), (568, 15084), (639, 13408), (838, 10224), (852, 10056), (1136, 7542), (1257, 6816), (1278, 6704), (1676, 5112), (1704, 5028), (2272, 3771), (2514, 3408), (2556, 3352)]