12000720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1613}}^1$

素因数の和:1660

約数の個数: 80

約数和(自身を含む): 38426112

約数和(自身を除く): 26425392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1613, 1860, 2480, 3226, 3720, 4839, 6452, 7440, 8065, 9678, 12904, 16130, 19356, 24195, 25808, 32260, 38712, 48390, 50003, 64520, 77424, 96780, 100006, 129040, 150009, 193560, 200012, 250015, 300018, 387120, 400024, 500030, 600036, 750045, 800048, 1000060, 1200072, 1500090, 2000120, 2400144, 3000180, 4000240, 6000360, 12000720]

約数ペア:

[(1, 12000720), (2, 6000360), (3, 4000240), (4, 3000180), (5, 2400144), (6, 2000120), (8, 1500090), (10, 1200072), (12, 1000060), (15, 800048), (16, 750045), (20, 600036), (24, 500030), (30, 400024), (31, 387120), (40, 300018), (48, 250015), (60, 200012), (62, 193560), (80, 150009), (93, 129040), (120, 100006), (124, 96780), (155, 77424), (186, 64520), (240, 50003), (248, 48390), (310, 38712), (372, 32260), (465, 25808), (496, 24195), (620, 19356), (744, 16130), (930, 12904), (1240, 9678), (1488, 8065), (1613, 7440), (1860, 6452), (2480, 4839), (3226, 3720)]