51840720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:917

約数の個数: 120

約数和(自身を含む): 176272200

約数和(自身を除く): 124431480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 120, 144, 178, 180, 240, 267, 356, 360, 445, 534, 712, 720, 801, 809, 890, 1068, 1335, 1424, 1602, 1618, 1780, 2136, 2427, 2670, 3204, 3236, 3560, 4005, 4045, 4272, 4854, 5340, 6408, 6472, 7120, 7281, 8010, 8090, 9708, 10680, 12135, 12816, 12944, 14562, 16020, 16180, 19416, 21360, 24270, 29124, 32040, 32360, 36405, 38832, 48540, 58248, 64080, 64720, 72001, 72810, 97080, 116496, 144002, 145620, 194160, 216003, 288004, 291240, 360005, 432006, 576008, 582480, 648009, 720010, 864012, 1080015, 1152016, 1296018, 1440020, 1728024, 2160030, 2592036, 2880040, 3240045, 3456048, 4320060, 5184072, 5760080, 6480090, 8640120, 10368144, 12960180, 17280240, 25920360, 51840720]

約数ペア:

[(1, 51840720), (2, 25920360), (3, 17280240), (4, 12960180), (5, 10368144), (6, 8640120), (8, 6480090), (9, 5760080), (10, 5184072), (12, 4320060), (15, 3456048), (16, 3240045), (18, 2880040), (20, 2592036), (24, 2160030), (30, 1728024), (36, 1440020), (40, 1296018), (45, 1152016), (48, 1080015), (60, 864012), (72, 720010), (80, 648009), (89, 582480), (90, 576008), (120, 432006), (144, 360005), (178, 291240), (180, 288004), (240, 216003), (267, 194160), (356, 145620), (360, 144002), (445, 116496), (534, 97080), (712, 72810), (720, 72001), (801, 64720), (809, 64080), (890, 58248), (1068, 48540), (1335, 38832), (1424, 36405), (1602, 32360), (1618, 32040), (1780, 29124), (2136, 24270), (2427, 21360), (2670, 19416), (3204, 16180), (3236, 16020), (3560, 14562), (4005, 12944), (4045, 12816), (4272, 12135), (4854, 10680), (5340, 9708), (6408, 8090), (6472, 8010), (7120, 7281)]