7200720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 120

約数和(自身を含む): 24692616

約数和(自身を除く): 17491896

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, 73, 80, 90, 120, 137, 144, 146, 180, 219, 240, 274, 292, 360, 365, 411, 438, 548, 584, 657, 685, 720, 730, 822, 876, 1095, 1096, 1168, 1233, 1314, 1370, 1460, 1644, 1752, 2055, 2190, 2192, 2466, 2628, 2740, 2920, 3285, 3288, 3504, 4110, 4380, 4932, 5256, 5480, 5840, 6165, 6570, 6576, 8220, 8760, 9864, 10001, 10512, 10960, 12330, 13140, 16440, 17520, 19728, 20002, 24660, 26280, 30003, 32880, 40004, 49320, 50005, 52560, 60006, 80008, 90009, 98640, 100010, 120012, 150015, 160016, 180018, 200020, 240024, 300030, 360036, 400040, 450045, 480048, 600060, 720072, 800080, 900090, 1200120, 1440144, 1800180, 2400240, 3600360, 7200720]

約数ペア:

[(1, 7200720), (2, 3600360), (3, 2400240), (4, 1800180), (5, 1440144), (6, 1200120), (8, 900090), (9, 800080), (10, 720072), (12, 600060), (15, 480048), (16, 450045), (18, 400040), (20, 360036), (24, 300030), (30, 240024), (36, 200020), (40, 180018), (45, 160016), (48, 150015), (60, 120012), (72, 100010), (73, 98640), (80, 90009), (90, 80008), (120, 60006), (137, 52560), (144, 50005), (146, 49320), (180, 40004), (219, 32880), (240, 30003), (274, 26280), (292, 24660), (360, 20002), (365, 19728), (411, 17520), (438, 16440), (548, 13140), (584, 12330), (657, 10960), (685, 10512), (720, 10001), (730, 9864), (822, 8760), (876, 8220), (1095, 6576), (1096, 6570), (1168, 6165), (1233, 5840), (1314, 5480), (1370, 5256), (1460, 4932), (1644, 4380), (1752, 4110), (2055, 3504), (2190, 3288), (2192, 3285), (2466, 2920), (2628, 2740)]