18001200

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{2143}}^1$

素因数の和:2171

約数の個数: 120

約数和(自身を含む): 65932288

約数和(自身を除く): 47931088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2143, 2800, 4200, 4286, 6429, 8400, 8572, 10715, 12858, 15001, 17144, 21430, 25716, 30002, 32145, 34288, 42860, 45003, 51432, 53575, 60004, 64290, 75005, 85720, 90006, 102864, 107150, 120008, 128580, 150010, 160725, 171440, 180012, 214300, 225015, 240016, 257160, 300020, 321450, 360024, 375025, 428600, 450030, 514320, 600040, 642900, 720048, 750050, 857200, 900060, 1125075, 1200080, 1285800, 1500100, 1800120, 2250150, 2571600, 3000200, 3600240, 4500300, 6000400, 9000600, 18001200]

約数ペア:

[(1, 18001200), (2, 9000600), (3, 6000400), (4, 4500300), (5, 3600240), (6, 3000200), (7, 2571600), (8, 2250150), (10, 1800120), (12, 1500100), (14, 1285800), (15, 1200080), (16, 1125075), (20, 900060), (21, 857200), (24, 750050), (25, 720048), (28, 642900), (30, 600040), (35, 514320), (40, 450030), (42, 428600), (48, 375025), (50, 360024), (56, 321450), (60, 300020), (70, 257160), (75, 240016), (80, 225015), (84, 214300), (100, 180012), (105, 171440), (112, 160725), (120, 150010), (140, 128580), (150, 120008), (168, 107150), (175, 102864), (200, 90006), (210, 85720), (240, 75005), (280, 64290), (300, 60004), (336, 53575), (350, 51432), (400, 45003), (420, 42860), (525, 34288), (560, 32145), (600, 30002), (700, 25716), (840, 21430), (1050, 17144), (1200, 15001), (1400, 12858), (1680, 10715), (2100, 8572), (2143, 8400), (2800, 6429), (4200, 4286)]