669968280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20011}}^1$

素因数の和:20062

約数の個数: 128

約数和(自身を含む): 2305382400

約数和(自身を除く): 1635414120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2790, 3348, 3720, 4185, 5580, 6696, 8370, 11160, 16740, 20011, 33480, 40022, 60033, 80044, 100055, 120066, 160088, 180099, 200110, 240132, 300165, 360198, 400220, 480264, 540297, 600330, 620341, 720396, 800440, 900495, 1080594, 1200660, 1240682, 1440792, 1800990, 1861023, 2161188, 2401320, 2481364, 2701485, 3101705, 3601980, 3722046, 4322376, 4962728, 5402970, 5583069, 6203410, 7203960, 7444092, 9305115, 10805940, 11166138, 12406820, 14888184, 16749207, 18610230, 21611880, 22332276, 24813640, 27915345, 33498414, 37220460, 44664552, 55830690, 66996828, 74440920, 83746035, 111661380, 133993656, 167492070, 223322760, 334984140, 669968280]

約数ペア:

[(1, 669968280), (2, 334984140), (3, 223322760), (4, 167492070), (5, 133993656), (6, 111661380), (8, 83746035), (9, 74440920), (10, 66996828), (12, 55830690), (15, 44664552), (18, 37220460), (20, 33498414), (24, 27915345), (27, 24813640), (30, 22332276), (31, 21611880), (36, 18610230), (40, 16749207), (45, 14888184), (54, 12406820), (60, 11166138), (62, 10805940), (72, 9305115), (90, 7444092), (93, 7203960), (108, 6203410), (120, 5583069), (124, 5402970), (135, 4962728), (155, 4322376), (180, 3722046), (186, 3601980), (216, 3101705), (248, 2701485), (270, 2481364), (279, 2401320), (310, 2161188), (360, 1861023), (372, 1800990), (465, 1440792), (540, 1240682), (558, 1200660), (620, 1080594), (744, 900495), (837, 800440), (930, 720396), (1080, 620341), (1116, 600330), (1240, 540297), (1395, 480264), (1674, 400220), (1860, 360198), (2232, 300165), (2790, 240132), (3348, 200110), (3720, 180099), (4185, 160088), (5580, 120066), (6696, 100055), (8370, 80044), (11160, 60033), (16740, 40022), (20011, 33480)]