30779720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 71608320

約数和(自身を除く): 40828600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 83, 127, 146, 166, 254, 292, 332, 365, 415, 508, 584, 635, 664, 730, 830, 1016, 1270, 1460, 1660, 2540, 2920, 3320, 5080, 6059, 9271, 10541, 12118, 18542, 21082, 24236, 30295, 37084, 42164, 46355, 48472, 52705, 60590, 74168, 84328, 92710, 105410, 121180, 185420, 210820, 242360, 370840, 421640, 769493, 1538986, 3077972, 3847465, 6155944, 7694930, 15389860, 30779720]

約数ペア:

[(1, 30779720), (2, 15389860), (4, 7694930), (5, 6155944), (8, 3847465), (10, 3077972), (20, 1538986), (40, 769493), (73, 421640), (83, 370840), (127, 242360), (146, 210820), (166, 185420), (254, 121180), (292, 105410), (332, 92710), (365, 84328), (415, 74168), (508, 60590), (584, 52705), (635, 48472), (664, 46355), (730, 42164), (830, 37084), (1016, 30295), (1270, 24236), (1460, 21082), (1660, 18542), (2540, 12118), (2920, 10541), (3320, 9271), (5080, 6059)]