660240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 2553408

約数和(自身を除く): 1893168

約数列:

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

約数ペア:

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