28984140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7001}}^1$

素因数の和:7039

約数の個数: 72

約数和(自身を含む): 91754208

約数和(自身を除く): 62770068

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, 4140, 7001, 14002, 21003, 28004, 35005, 42006, 63009, 70010, 84012, 105015, 126018, 140020, 161023, 210030, 252036, 315045, 322046, 420060, 483069, 630090, 644092, 805115, 966138, 1260180, 1449207, 1610230, 1932276, 2415345, 2898414, 3220460, 4830690, 5796828, 7246035, 9661380, 14492070, 28984140]

約数ペア:

[(1, 28984140), (2, 14492070), (3, 9661380), (4, 7246035), (5, 5796828), (6, 4830690), (9, 3220460), (10, 2898414), (12, 2415345), (15, 1932276), (18, 1610230), (20, 1449207), (23, 1260180), (30, 966138), (36, 805115), (45, 644092), (46, 630090), (60, 483069), (69, 420060), (90, 322046), (92, 315045), (115, 252036), (138, 210030), (180, 161023), (207, 140020), (230, 126018), (276, 105015), (345, 84012), (414, 70010), (460, 63009), (690, 42006), (828, 35005), (1035, 28004), (1380, 21003), (2070, 14002), (4140, 7001)]