78012780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{56531}}^1$

素因数の和:56566

約数の個数: 48

約数和(自身を含む): 227937024

約数和(自身を除く): 149924244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 56531, 113062, 169593, 226124, 282655, 339186, 565310, 678372, 847965, 1130620, 1300213, 1695930, 2600426, 3391860, 3900639, 5200852, 6501065, 7801278, 13002130, 15602556, 19503195, 26004260, 39006390, 78012780]

約数ペア:

[(1, 78012780), (2, 39006390), (3, 26004260), (4, 19503195), (5, 15602556), (6, 13002130), (10, 7801278), (12, 6501065), (15, 5200852), (20, 3900639), (23, 3391860), (30, 2600426), (46, 1695930), (60, 1300213), (69, 1130620), (92, 847965), (115, 678372), (138, 565310), (230, 339186), (276, 282655), (345, 226124), (460, 169593), (690, 113062), (1380, 56531)]