30945040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55259}}^1$

素因数の和:55279

約数の個数: 40

約数和(自身を含む): 82226880

約数和(自身を除く): 51281840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55259, 110518, 221036, 276295, 386813, 442072, 552590, 773626, 884144, 1105180, 1547252, 1934065, 2210360, 3094504, 3868130, 4420720, 6189008, 7736260, 15472520, 30945040]

約数ペア:

[(1, 30945040), (2, 15472520), (4, 7736260), (5, 6189008), (7, 4420720), (8, 3868130), (10, 3094504), (14, 2210360), (16, 1934065), (20, 1547252), (28, 1105180), (35, 884144), (40, 773626), (56, 552590), (70, 442072), (80, 386813), (112, 276295), (140, 221036), (280, 110518), (560, 55259)]