1320660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 144

約数和(自身を含む): 4717440

約数和(自身を除く): 3396780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 29, 30, 33, 36, 44, 45, 46, 55, 58, 60, 66, 69, 87, 90, 92, 99, 110, 115, 116, 132, 138, 145, 165, 174, 180, 198, 207, 220, 230, 253, 261, 276, 290, 319, 330, 345, 348, 396, 414, 435, 460, 495, 506, 522, 580, 638, 660, 667, 690, 759, 828, 870, 957, 990, 1012, 1035, 1044, 1265, 1276, 1305, 1334, 1380, 1518, 1595, 1740, 1914, 1980, 2001, 2070, 2277, 2530, 2610, 2668, 2871, 3036, 3190, 3335, 3795, 3828, 4002, 4140, 4554, 4785, 5060, 5220, 5742, 6003, 6380, 6670, 7337, 7590, 8004, 9108, 9570, 10005, 11385, 11484, 12006, 13340, 14355, 14674, 15180, 19140, 20010, 22011, 22770, 24012, 28710, 29348, 30015, 36685, 40020, 44022, 45540, 57420, 60030, 66033, 73370, 88044, 110055, 120060, 132066, 146740, 220110, 264132, 330165, 440220, 660330, 1320660]

約数ペア:

[(1, 1320660), (2, 660330), (3, 440220), (4, 330165), (5, 264132), (6, 220110), (9, 146740), (10, 132066), (11, 120060), (12, 110055), (15, 88044), (18, 73370), (20, 66033), (22, 60030), (23, 57420), (29, 45540), (30, 44022), (33, 40020), (36, 36685), (44, 30015), (45, 29348), (46, 28710), (55, 24012), (58, 22770), (60, 22011), (66, 20010), (69, 19140), (87, 15180), (90, 14674), (92, 14355), (99, 13340), (110, 12006), (115, 11484), (116, 11385), (132, 10005), (138, 9570), (145, 9108), (165, 8004), (174, 7590), (180, 7337), (198, 6670), (207, 6380), (220, 6003), (230, 5742), (253, 5220), (261, 5060), (276, 4785), (290, 4554), (319, 4140), (330, 4002), (345, 3828), (348, 3795), (396, 3335), (414, 3190), (435, 3036), (460, 2871), (495, 2668), (506, 2610), (522, 2530), (580, 2277), (638, 2070), (660, 2001), (667, 1980), (690, 1914), (759, 1740), (828, 1595), (870, 1518), (957, 1380), (990, 1334), (1012, 1305), (1035, 1276), (1044, 1265)]