28621800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{15901}}^1$

素因数の和:15923

約数の個数: 72

約数和(自身を含む): 96127590

約数和(自身を除く): 67505790

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 15901, 31802, 47703, 63604, 79505, 95406, 127208, 143109, 159010, 190812, 238515, 286218, 318020, 381624, 397525, 477030, 572436, 636040, 715545, 795050, 954060, 1144872, 1192575, 1431090, 1590100, 1908120, 2385150, 2862180, 3180200, 3577725, 4770300, 5724360, 7155450, 9540600, 14310900, 28621800]

約数ペア:

[(1, 28621800), (2, 14310900), (3, 9540600), (4, 7155450), (5, 5724360), (6, 4770300), (8, 3577725), (9, 3180200), (10, 2862180), (12, 2385150), (15, 1908120), (18, 1590100), (20, 1431090), (24, 1192575), (25, 1144872), (30, 954060), (36, 795050), (40, 715545), (45, 636040), (50, 572436), (60, 477030), (72, 397525), (75, 381624), (90, 318020), (100, 286218), (120, 238515), (150, 190812), (180, 159010), (200, 143109), (225, 127208), (300, 95406), (360, 79505), (450, 63604), (600, 47703), (900, 31802), (1800, 15901)]