18001080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1613}}^1$

素因数の和:1661

約数の個数: 96

約数和(自身を含む): 60428160

約数和(自身を除く): 42427080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1613, 1860, 2232, 2790, 3226, 3720, 4839, 5580, 6452, 8065, 9678, 11160, 12904, 14517, 16130, 19356, 24195, 29034, 32260, 38712, 48390, 50003, 58068, 64520, 72585, 96780, 100006, 116136, 145170, 150009, 193560, 200012, 250015, 290340, 300018, 400024, 450027, 500030, 580680, 600036, 750045, 900054, 1000060, 1200072, 1500090, 1800108, 2000120, 2250135, 3000180, 3600216, 4500270, 6000360, 9000540, 18001080]

約数ペア:

[(1, 18001080), (2, 9000540), (3, 6000360), (4, 4500270), (5, 3600216), (6, 3000180), (8, 2250135), (9, 2000120), (10, 1800108), (12, 1500090), (15, 1200072), (18, 1000060), (20, 900054), (24, 750045), (30, 600036), (31, 580680), (36, 500030), (40, 450027), (45, 400024), (60, 300018), (62, 290340), (72, 250015), (90, 200012), (93, 193560), (120, 150009), (124, 145170), (155, 116136), (180, 100006), (186, 96780), (248, 72585), (279, 64520), (310, 58068), (360, 50003), (372, 48390), (465, 38712), (558, 32260), (620, 29034), (744, 24195), (930, 19356), (1116, 16130), (1240, 14517), (1395, 12904), (1613, 11160), (1860, 9678), (2232, 8065), (2790, 6452), (3226, 5580), (3720, 4839)]