72014120

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 166320000

約数和(自身を除く): 94305880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 109, 166, 199, 218, 332, 398, 415, 436, 545, 664, 796, 830, 872, 995, 1090, 1592, 1660, 1990, 2180, 3320, 3980, 4360, 7960, 9047, 16517, 18094, 21691, 33034, 36188, 43382, 45235, 66068, 72376, 82585, 86764, 90470, 108455, 132136, 165170, 173528, 180940, 216910, 330340, 361880, 433820, 660680, 867640, 1800353, 3600706, 7201412, 9001765, 14402824, 18003530, 36007060, 72014120]

約数ペア:

[(1, 72014120), (2, 36007060), (4, 18003530), (5, 14402824), (8, 9001765), (10, 7201412), (20, 3600706), (40, 1800353), (83, 867640), (109, 660680), (166, 433820), (199, 361880), (218, 330340), (332, 216910), (398, 180940), (415, 173528), (436, 165170), (545, 132136), (664, 108455), (796, 90470), (830, 86764), (872, 82585), (995, 72376), (1090, 66068), (1592, 45235), (1660, 43382), (1990, 36188), (2180, 33034), (3320, 21691), (3980, 18094), (4360, 16517), (7960, 9047)]