1321338720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1979}}^1$

素因数の和:2117

約数の個数: 192

約数和(自身を含む): 4526565120

約数和(自身を除く): 3205226400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 107, 120, 130, 156, 160, 195, 208, 214, 240, 260, 312, 321, 390, 416, 428, 480, 520, 535, 624, 642, 780, 856, 1040, 1070, 1248, 1284, 1391, 1560, 1605, 1712, 1979, 2080, 2140, 2568, 2782, 3120, 3210, 3424, 3958, 4173, 4280, 5136, 5564, 5937, 6240, 6420, 6955, 7916, 8346, 8560, 9895, 10272, 11128, 11874, 12840, 13910, 15832, 16692, 17120, 19790, 20865, 22256, 23748, 25680, 25727, 27820, 29685, 31664, 33384, 39580, 41730, 44512, 47496, 51360, 51454, 55640, 59370, 63328, 66768, 77181, 79160, 83460, 94992, 102908, 111280, 118740, 128635, 133536, 154362, 158320, 166920, 189984, 205816, 211753, 222560, 237480, 257270, 308724, 316640, 333840, 385905, 411632, 423506, 474960, 514540, 617448, 635259, 667680, 771810, 823264, 847012, 949920, 1029080, 1058765, 1234896, 1270518, 1543620, 1694024, 2058160, 2117530, 2469792, 2541036, 2752789, 3087240, 3176295, 3388048, 4116320, 4235060, 5082072, 5505578, 6174480, 6352590, 6776096, 8258367, 8470120, 10164144, 11011156, 12348960, 12705180, 13763945, 16516734, 16940240, 20328288, 22022312, 25410360, 27527890, 33033468, 33880480, 41291835, 44044624, 50820720, 55055780, 66066936, 82583670, 88089248, 101641440, 110111560, 132133872, 165167340, 220223120, 264267744, 330334680, 440446240, 660669360, 1321338720]

約数ペア:

[(1, 1321338720), (2, 660669360), (3, 440446240), (4, 330334680), (5, 264267744), (6, 220223120), (8, 165167340), (10, 132133872), (12, 110111560), (13, 101641440), (15, 88089248), (16, 82583670), (20, 66066936), (24, 55055780), (26, 50820720), (30, 44044624), (32, 41291835), (39, 33880480), (40, 33033468), (48, 27527890), (52, 25410360), (60, 22022312), (65, 20328288), (78, 16940240), (80, 16516734), (96, 13763945), (104, 12705180), (107, 12348960), (120, 11011156), (130, 10164144), (156, 8470120), (160, 8258367), (195, 6776096), (208, 6352590), (214, 6174480), (240, 5505578), (260, 5082072), (312, 4235060), (321, 4116320), (390, 3388048), (416, 3176295), (428, 3087240), (480, 2752789), (520, 2541036), (535, 2469792), (624, 2117530), (642, 2058160), (780, 1694024), (856, 1543620), (1040, 1270518), (1070, 1234896), (1248, 1058765), (1284, 1029080), (1391, 949920), (1560, 847012), (1605, 823264), (1712, 771810), (1979, 667680), (2080, 635259), (2140, 617448), (2568, 514540), (2782, 474960), (3120, 423506), (3210, 411632), (3424, 385905), (3958, 333840), (4173, 316640), (4280, 308724), (5136, 257270), (5564, 237480), (5937, 222560), (6240, 211753), (6420, 205816), (6955, 189984), (7916, 166920), (8346, 158320), (8560, 154362), (9895, 133536), (10272, 128635), (11128, 118740), (11874, 111280), (12840, 102908), (13910, 94992), (15832, 83460), (16692, 79160), (17120, 77181), (19790, 66768), (20865, 63328), (22256, 59370), (23748, 55640), (25680, 51454), (25727, 51360), (27820, 47496), (29685, 44512), (31664, 41730), (33384, 39580)]