691380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 2201472

約数和(自身を除く): 1510092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 167, 180, 207, 230, 276, 334, 345, 414, 460, 501, 668, 690, 828, 835, 1002, 1035, 1380, 1503, 1670, 2004, 2070, 2505, 3006, 3340, 3841, 4140, 5010, 6012, 7515, 7682, 10020, 11523, 15030, 15364, 19205, 23046, 30060, 34569, 38410, 46092, 57615, 69138, 76820, 115230, 138276, 172845, 230460, 345690, 691380]

約数ペア:

[(1, 691380), (2, 345690), (3, 230460), (4, 172845), (5, 138276), (6, 115230), (9, 76820), (10, 69138), (12, 57615), (15, 46092), (18, 38410), (20, 34569), (23, 30060), (30, 23046), (36, 19205), (45, 15364), (46, 15030), (60, 11523), (69, 10020), (90, 7682), (92, 7515), (115, 6012), (138, 5010), (167, 4140), (180, 3841), (207, 3340), (230, 3006), (276, 2505), (334, 2070), (345, 2004), (414, 1670), (460, 1503), (501, 1380), (668, 1035), (690, 1002), (828, 835)]