16564140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4001}}^1$

素因数の和:4039

約数の個数: 72

約数和(自身を含む): 52442208

約数和(自身を除く): 35878068

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, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4001, 4140, 8002, 12003, 16004, 20005, 24006, 36009, 40010, 48012, 60015, 72018, 80020, 92023, 120030, 144036, 180045, 184046, 240060, 276069, 360090, 368092, 460115, 552138, 720180, 828207, 920230, 1104276, 1380345, 1656414, 1840460, 2760690, 3312828, 4141035, 5521380, 8282070, 16564140]

約数ペア:

[(1, 16564140), (2, 8282070), (3, 5521380), (4, 4141035), (5, 3312828), (6, 2760690), (9, 1840460), (10, 1656414), (12, 1380345), (15, 1104276), (18, 920230), (20, 828207), (23, 720180), (30, 552138), (36, 460115), (45, 368092), (46, 360090), (60, 276069), (69, 240060), (90, 184046), (92, 180045), (115, 144036), (138, 120030), (180, 92023), (207, 80020), (230, 72018), (276, 60015), (345, 48012), (414, 40010), (460, 36009), (690, 24006), (828, 20005), (1035, 16004), (1380, 12003), (2070, 8002), (4001, 4140)]