30147440

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1973}}^1$

素因数の和:2177

約数の個数: 40

約数和(自身を含む): 70495488

約数和(自身を除く): 40348048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 1973, 3056, 3820, 3946, 7640, 7892, 9865, 15280, 15784, 19730, 31568, 39460, 78920, 157840, 376843, 753686, 1507372, 1884215, 3014744, 3768430, 6029488, 7536860, 15073720, 30147440]

約数ペア:

[(1, 30147440), (2, 15073720), (4, 7536860), (5, 6029488), (8, 3768430), (10, 3014744), (16, 1884215), (20, 1507372), (40, 753686), (80, 376843), (191, 157840), (382, 78920), (764, 39460), (955, 31568), (1528, 19730), (1910, 15784), (1973, 15280), (3056, 9865), (3820, 7892), (3946, 7640)]