30607990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 67651200

約数和(自身を除く): 37043210

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 89, 119, 170, 178, 238, 289, 445, 578, 595, 623, 890, 1190, 1246, 1445, 1513, 2023, 2890, 3026, 3115, 4046, 4913, 6230, 7565, 9826, 10115, 10591, 15130, 20230, 21182, 24565, 25721, 34391, 49130, 51442, 52955, 68782, 105910, 128605, 171955, 180047, 257210, 343910, 360094, 437257, 874514, 900235, 1800470, 2186285, 3060799, 4372570, 6121598, 15303995, 30607990]

約数ペア:

[(1, 30607990), (2, 15303995), (5, 6121598), (7, 4372570), (10, 3060799), (14, 2186285), (17, 1800470), (34, 900235), (35, 874514), (70, 437257), (85, 360094), (89, 343910), (119, 257210), (170, 180047), (178, 171955), (238, 128605), (289, 105910), (445, 68782), (578, 52955), (595, 51442), (623, 49130), (890, 34391), (1190, 25721), (1246, 24565), (1445, 21182), (1513, 20230), (2023, 15130), (2890, 10591), (3026, 10115), (3115, 9826), (4046, 7565), (4913, 6230)]