2640960

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1$

素因数の和:161

約数の個数: 168

約数和(自身を含む): 10460736

約数和(自身を除く): 7819776

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, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 131, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 262, 280, 288, 315, 320, 336, 360, 393, 420, 448, 480, 504, 524, 560, 576, 630, 655, 672, 720, 786, 840, 917, 960, 1008, 1048, 1120, 1179, 1260, 1310, 1344, 1440, 1572, 1680, 1834, 1965, 2016, 2096, 2240, 2358, 2520, 2620, 2751, 2880, 3144, 3360, 3668, 3930, 4032, 4192, 4585, 4716, 5040, 5240, 5502, 5895, 6288, 6720, 7336, 7860, 8253, 8384, 9170, 9432, 10080, 10480, 11004, 11790, 12576, 13755, 14672, 15720, 16506, 18340, 18864, 20160, 20960, 22008, 23580, 25152, 27510, 29344, 31440, 33012, 36680, 37728, 41265, 41920, 44016, 47160, 55020, 58688, 62880, 66024, 73360, 75456, 82530, 88032, 94320, 110040, 125760, 132048, 146720, 165060, 176064, 188640, 220080, 264096, 293440, 330120, 377280, 440160, 528192, 660240, 880320, 1320480, 2640960]

約数ペア:

[(1, 2640960), (2, 1320480), (3, 880320), (4, 660240), (5, 528192), (6, 440160), (7, 377280), (8, 330120), (9, 293440), (10, 264096), (12, 220080), (14, 188640), (15, 176064), (16, 165060), (18, 146720), (20, 132048), (21, 125760), (24, 110040), (28, 94320), (30, 88032), (32, 82530), (35, 75456), (36, 73360), (40, 66024), (42, 62880), (45, 58688), (48, 55020), (56, 47160), (60, 44016), (63, 41920), (64, 41265), (70, 37728), (72, 36680), (80, 33012), (84, 31440), (90, 29344), (96, 27510), (105, 25152), (112, 23580), (120, 22008), (126, 20960), (131, 20160), (140, 18864), (144, 18340), (160, 16506), (168, 15720), (180, 14672), (192, 13755), (210, 12576), (224, 11790), (240, 11004), (252, 10480), (262, 10080), (280, 9432), (288, 9170), (315, 8384), (320, 8253), (336, 7860), (360, 7336), (393, 6720), (420, 6288), (448, 5895), (480, 5502), (504, 5240), (524, 5040), (560, 4716), (576, 4585), (630, 4192), (655, 4032), (672, 3930), (720, 3668), (786, 3360), (840, 3144), (917, 2880), (960, 2751), (1008, 2620), (1048, 2520), (1120, 2358), (1179, 2240), (1260, 2096), (1310, 2016), (1344, 1965), (1440, 1834), (1572, 1680)]