9840720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 30837312

約数和(自身を除く): 20996592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 313, 393, 524, 626, 655, 786, 939, 1048, 1252, 1310, 1565, 1572, 1878, 1965, 2096, 2504, 2620, 3130, 3144, 3756, 3930, 4695, 5008, 5240, 6260, 6288, 7512, 7860, 9390, 10480, 12520, 15024, 15720, 18780, 25040, 31440, 37560, 41003, 75120, 82006, 123009, 164012, 205015, 246018, 328024, 410030, 492036, 615045, 656048, 820060, 984072, 1230090, 1640120, 1968144, 2460180, 3280240, 4920360, 9840720]

約数ペア:

[(1, 9840720), (2, 4920360), (3, 3280240), (4, 2460180), (5, 1968144), (6, 1640120), (8, 1230090), (10, 984072), (12, 820060), (15, 656048), (16, 615045), (20, 492036), (24, 410030), (30, 328024), (40, 246018), (48, 205015), (60, 164012), (80, 123009), (120, 82006), (131, 75120), (240, 41003), (262, 37560), (313, 31440), (393, 25040), (524, 18780), (626, 15720), (655, 15024), (786, 12520), (939, 10480), (1048, 9390), (1252, 7860), (1310, 7512), (1565, 6288), (1572, 6260), (1878, 5240), (1965, 5008), (2096, 4695), (2504, 3930), (2620, 3756), (3130, 3144)]