15389860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 33417216

約数和(自身を除く): 18027356

約数列:

[1, 2, 4, 5, 10, 20, 73, 83, 127, 146, 166, 254, 292, 332, 365, 415, 508, 635, 730, 830, 1270, 1460, 1660, 2540, 6059, 9271, 10541, 12118, 18542, 21082, 24236, 30295, 37084, 42164, 46355, 52705, 60590, 92710, 105410, 121180, 185420, 210820, 769493, 1538986, 3077972, 3847465, 7694930, 15389860]

約数ペア:

[(1, 15389860), (2, 7694930), (4, 3847465), (5, 3077972), (10, 1538986), (20, 769493), (73, 210820), (83, 185420), (127, 121180), (146, 105410), (166, 92710), (254, 60590), (292, 52705), (332, 46355), (365, 42164), (415, 37084), (508, 30295), (635, 24236), (730, 21082), (830, 18542), (1270, 12118), (1460, 10541), (1660, 9271), (2540, 6059)]