30658040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{491}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 79349760

約数和(自身を除く): 48691720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 491, 892, 982, 1115, 1561, 1784, 1964, 2230, 2455, 3122, 3437, 3928, 4460, 4910, 6244, 6874, 7805, 8920, 9820, 12488, 13748, 15610, 17185, 19640, 27496, 31220, 34370, 62440, 68740, 109493, 137480, 218986, 437972, 547465, 766451, 875944, 1094930, 1532902, 2189860, 3065804, 3832255, 4379720, 6131608, 7664510, 15329020, 30658040]

約数ペア:

[(1, 30658040), (2, 15329020), (4, 7664510), (5, 6131608), (7, 4379720), (8, 3832255), (10, 3065804), (14, 2189860), (20, 1532902), (28, 1094930), (35, 875944), (40, 766451), (56, 547465), (70, 437972), (140, 218986), (223, 137480), (280, 109493), (446, 68740), (491, 62440), (892, 34370), (982, 31220), (1115, 27496), (1561, 19640), (1784, 17185), (1964, 15610), (2230, 13748), (2455, 12488), (3122, 9820), (3437, 8920), (3928, 7805), (4460, 6874), (4910, 6244)]