681408960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1051

約数の個数: 224

約数和(自身を含む): 2346423552

約数和(自身を除く): 1665014592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 43, 48, 51, 60, 64, 68, 80, 85, 86, 96, 102, 120, 129, 136, 160, 170, 172, 192, 204, 215, 240, 255, 258, 272, 320, 340, 344, 408, 430, 480, 510, 516, 544, 645, 680, 688, 731, 816, 860, 960, 971, 1020, 1032, 1088, 1290, 1360, 1376, 1462, 1632, 1720, 1942, 2040, 2064, 2193, 2580, 2720, 2752, 2913, 2924, 3264, 3440, 3655, 3884, 4080, 4128, 4386, 4855, 5160, 5440, 5826, 5848, 6880, 7310, 7768, 8160, 8256, 8772, 9710, 10320, 10965, 11652, 11696, 13760, 14565, 14620, 15536, 16320, 16507, 17544, 19420, 20640, 21930, 23304, 23392, 29130, 29240, 31072, 33014, 35088, 38840, 41280, 41753, 43860, 46608, 46784, 49521, 58260, 58480, 62144, 66028, 70176, 77680, 82535, 83506, 87720, 93216, 99042, 116520, 116960, 125259, 132056, 140352, 155360, 165070, 167012, 175440, 186432, 198084, 208765, 233040, 233920, 247605, 250518, 264112, 310720, 330140, 334024, 350880, 396168, 417530, 466080, 495210, 501036, 528224, 626295, 660280, 668048, 701760, 709801, 792336, 835060, 932160, 990420, 1002072, 1056448, 1252590, 1320560, 1336096, 1419602, 1584672, 1670120, 1980840, 2004144, 2129403, 2505180, 2641120, 2672192, 2839204, 3169344, 3340240, 3549005, 3961680, 4008288, 4258806, 5010360, 5282240, 5678408, 6680480, 7098010, 7923360, 8016576, 8517612, 10020720, 10647015, 11356816, 13360960, 14196020, 15846720, 17035224, 20041440, 21294030, 22713632, 28392040, 34070448, 40082880, 42588060, 45427264, 56784080, 68140896, 85176120, 113568160, 136281792, 170352240, 227136320, 340704480, 681408960]

約数ペア:

[(1, 681408960), (2, 340704480), (3, 227136320), (4, 170352240), (5, 136281792), (6, 113568160), (8, 85176120), (10, 68140896), (12, 56784080), (15, 45427264), (16, 42588060), (17, 40082880), (20, 34070448), (24, 28392040), (30, 22713632), (32, 21294030), (34, 20041440), (40, 17035224), (43, 15846720), (48, 14196020), (51, 13360960), (60, 11356816), (64, 10647015), (68, 10020720), (80, 8517612), (85, 8016576), (86, 7923360), (96, 7098010), (102, 6680480), (120, 5678408), (129, 5282240), (136, 5010360), (160, 4258806), (170, 4008288), (172, 3961680), (192, 3549005), (204, 3340240), (215, 3169344), (240, 2839204), (255, 2672192), (258, 2641120), (272, 2505180), (320, 2129403), (340, 2004144), (344, 1980840), (408, 1670120), (430, 1584672), (480, 1419602), (510, 1336096), (516, 1320560), (544, 1252590), (645, 1056448), (680, 1002072), (688, 990420), (731, 932160), (816, 835060), (860, 792336), (960, 709801), (971, 701760), (1020, 668048), (1032, 660280), (1088, 626295), (1290, 528224), (1360, 501036), (1376, 495210), (1462, 466080), (1632, 417530), (1720, 396168), (1942, 350880), (2040, 334024), (2064, 330140), (2193, 310720), (2580, 264112), (2720, 250518), (2752, 247605), (2913, 233920), (2924, 233040), (3264, 208765), (3440, 198084), (3655, 186432), (3884, 175440), (4080, 167012), (4128, 165070), (4386, 155360), (4855, 140352), (5160, 132056), (5440, 125259), (5826, 116960), (5848, 116520), (6880, 99042), (7310, 93216), (7768, 87720), (8160, 83506), (8256, 82535), (8772, 77680), (9710, 70176), (10320, 66028), (10965, 62144), (11652, 58480), (11696, 58260), (13760, 49521), (14565, 46784), (14620, 46608), (15536, 43860), (16320, 41753), (16507, 41280), (17544, 38840), (19420, 35088), (20640, 33014), (21930, 31072), (23304, 29240), (23392, 29130)]