42778920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5021}}^1$

素因数の和:5106

約数の個数: 64

約数和(自身を含む): 130170240

約数和(自身を除く): 87391320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 5021, 8520, 10042, 15063, 20084, 25105, 30126, 40168, 50210, 60252, 75315, 100420, 120504, 150630, 200840, 301260, 356491, 602520, 712982, 1069473, 1425964, 1782455, 2138946, 2851928, 3564910, 4277892, 5347365, 7129820, 8555784, 10694730, 14259640, 21389460, 42778920]

約数ペア:

[(1, 42778920), (2, 21389460), (3, 14259640), (4, 10694730), (5, 8555784), (6, 7129820), (8, 5347365), (10, 4277892), (12, 3564910), (15, 2851928), (20, 2138946), (24, 1782455), (30, 1425964), (40, 1069473), (60, 712982), (71, 602520), (120, 356491), (142, 301260), (213, 200840), (284, 150630), (355, 120504), (426, 100420), (568, 75315), (710, 60252), (852, 50210), (1065, 40168), (1420, 30126), (1704, 25105), (2130, 20084), (2840, 15063), (4260, 10042), (5021, 8520)]