18006480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:389

約数の個数: 120

約数和(自身を含む): 61368840

約数和(自身を除く): 43362360

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, 281, 356, 360, 445, 534, 562, 712, 720, 801, 843, 890, 1068, 1124, 1335, 1405, 1424, 1602, 1686, 1780, 2136, 2248, 2529, 2670, 2810, 3204, 3372, 3560, 4005, 4215, 4272, 4496, 5058, 5340, 5620, 6408, 6744, 7120, 8010, 8430, 10116, 10680, 11240, 12645, 12816, 13488, 16020, 16860, 20232, 21360, 22480, 25009, 25290, 32040, 33720, 40464, 50018, 50580, 64080, 67440, 75027, 100036, 101160, 125045, 150054, 200072, 202320, 225081, 250090, 300108, 375135, 400144, 450162, 500180, 600216, 750270, 900324, 1000360, 1125405, 1200432, 1500540, 1800648, 2000720, 2250810, 3001080, 3601296, 4501620, 6002160, 9003240, 18006480]

約数ペア:

[(1, 18006480), (2, 9003240), (3, 6002160), (4, 4501620), (5, 3601296), (6, 3001080), (8, 2250810), (9, 2000720), (10, 1800648), (12, 1500540), (15, 1200432), (16, 1125405), (18, 1000360), (20, 900324), (24, 750270), (30, 600216), (36, 500180), (40, 450162), (45, 400144), (48, 375135), (60, 300108), (72, 250090), (80, 225081), (89, 202320), (90, 200072), (120, 150054), (144, 125045), (178, 101160), (180, 100036), (240, 75027), (267, 67440), (281, 64080), (356, 50580), (360, 50018), (445, 40464), (534, 33720), (562, 32040), (712, 25290), (720, 25009), (801, 22480), (843, 21360), (890, 20232), (1068, 16860), (1124, 16020), (1335, 13488), (1405, 12816), (1424, 12645), (1602, 11240), (1686, 10680), (1780, 10116), (2136, 8430), (2248, 8010), (2529, 7120), (2670, 6744), (2810, 6408), (3204, 5620), (3372, 5340), (3560, 5058), (4005, 4496), (4215, 4272)]