9090720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 144

約数和(自身を含む): 31842720

約数和(自身を除く): 22752000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 107, 118, 120, 144, 160, 177, 180, 214, 236, 240, 288, 295, 321, 354, 360, 428, 472, 480, 531, 535, 590, 642, 708, 720, 856, 885, 944, 963, 1062, 1070, 1180, 1284, 1416, 1440, 1605, 1712, 1770, 1888, 1926, 2124, 2140, 2360, 2568, 2655, 2832, 3210, 3424, 3540, 3852, 4248, 4280, 4720, 4815, 5136, 5310, 5664, 6313, 6420, 7080, 7704, 8496, 8560, 9440, 9630, 10272, 10620, 12626, 12840, 14160, 15408, 16992, 17120, 18939, 19260, 21240, 25252, 25680, 28320, 30816, 31565, 37878, 38520, 42480, 50504, 51360, 56817, 63130, 75756, 77040, 84960, 94695, 101008, 113634, 126260, 151512, 154080, 189390, 202016, 227268, 252520, 284085, 303024, 378780, 454536, 505040, 568170, 606048, 757560, 909072, 1010080, 1136340, 1515120, 1818144, 2272680, 3030240, 4545360, 9090720]

約数ペア:

[(1, 9090720), (2, 4545360), (3, 3030240), (4, 2272680), (5, 1818144), (6, 1515120), (8, 1136340), (9, 1010080), (10, 909072), (12, 757560), (15, 606048), (16, 568170), (18, 505040), (20, 454536), (24, 378780), (30, 303024), (32, 284085), (36, 252520), (40, 227268), (45, 202016), (48, 189390), (59, 154080), (60, 151512), (72, 126260), (80, 113634), (90, 101008), (96, 94695), (107, 84960), (118, 77040), (120, 75756), (144, 63130), (160, 56817), (177, 51360), (180, 50504), (214, 42480), (236, 38520), (240, 37878), (288, 31565), (295, 30816), (321, 28320), (354, 25680), (360, 25252), (428, 21240), (472, 19260), (480, 18939), (531, 17120), (535, 16992), (590, 15408), (642, 14160), (708, 12840), (720, 12626), (856, 10620), (885, 10272), (944, 9630), (963, 9440), (1062, 8560), (1070, 8496), (1180, 7704), (1284, 7080), (1416, 6420), (1440, 6313), (1605, 5664), (1712, 5310), (1770, 5136), (1888, 4815), (1926, 4720), (2124, 4280), (2140, 4248), (2360, 3852), (2568, 3540), (2655, 3424), (2832, 3210)]