30144520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{541}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 78048000

約数和(自身を除く): 47903480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 541, 796, 995, 1082, 1393, 1592, 1990, 2164, 2705, 2786, 3787, 3980, 4328, 5410, 5572, 6965, 7574, 7960, 10820, 11144, 13930, 15148, 18935, 21640, 27860, 30296, 37870, 55720, 75740, 107659, 151480, 215318, 430636, 538295, 753613, 861272, 1076590, 1507226, 2153180, 3014452, 3768065, 4306360, 6028904, 7536130, 15072260, 30144520]

約数ペア:

[(1, 30144520), (2, 15072260), (4, 7536130), (5, 6028904), (7, 4306360), (8, 3768065), (10, 3014452), (14, 2153180), (20, 1507226), (28, 1076590), (35, 861272), (40, 753613), (56, 538295), (70, 430636), (140, 215318), (199, 151480), (280, 107659), (398, 75740), (541, 55720), (796, 37870), (995, 30296), (1082, 27860), (1393, 21640), (1592, 18935), (1990, 15148), (2164, 13930), (2705, 11144), (2786, 10820), (3787, 7960), (3980, 7574), (4328, 6965), (5410, 5572)]