1320480

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 5189184

約数和(自身を除く): 3868704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 131, 140, 144, 160, 168, 180, 210, 224, 240, 252, 262, 280, 288, 315, 336, 360, 393, 420, 480, 504, 524, 560, 630, 655, 672, 720, 786, 840, 917, 1008, 1048, 1120, 1179, 1260, 1310, 1440, 1572, 1680, 1834, 1965, 2016, 2096, 2358, 2520, 2620, 2751, 3144, 3360, 3668, 3930, 4192, 4585, 4716, 5040, 5240, 5502, 5895, 6288, 7336, 7860, 8253, 9170, 9432, 10080, 10480, 11004, 11790, 12576, 13755, 14672, 15720, 16506, 18340, 18864, 20960, 22008, 23580, 27510, 29344, 31440, 33012, 36680, 37728, 41265, 44016, 47160, 55020, 62880, 66024, 73360, 82530, 88032, 94320, 110040, 132048, 146720, 165060, 188640, 220080, 264096, 330120, 440160, 660240, 1320480]

約数ペア:

[(1, 1320480), (2, 660240), (3, 440160), (4, 330120), (5, 264096), (6, 220080), (7, 188640), (8, 165060), (9, 146720), (10, 132048), (12, 110040), (14, 94320), (15, 88032), (16, 82530), (18, 73360), (20, 66024), (21, 62880), (24, 55020), (28, 47160), (30, 44016), (32, 41265), (35, 37728), (36, 36680), (40, 33012), (42, 31440), (45, 29344), (48, 27510), (56, 23580), (60, 22008), (63, 20960), (70, 18864), (72, 18340), (80, 16506), (84, 15720), (90, 14672), (96, 13755), (105, 12576), (112, 11790), (120, 11004), (126, 10480), (131, 10080), (140, 9432), (144, 9170), (160, 8253), (168, 7860), (180, 7336), (210, 6288), (224, 5895), (240, 5502), (252, 5240), (262, 5040), (280, 4716), (288, 4585), (315, 4192), (336, 3930), (360, 3668), (393, 3360), (420, 3144), (480, 2751), (504, 2620), (524, 2520), (560, 2358), (630, 2096), (655, 2016), (672, 1965), (720, 1834), (786, 1680), (840, 1572), (917, 1440), (1008, 1310), (1048, 1260), (1120, 1179)]