80434480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 180

約数和(自身を含む): 234346608

約数和(自身を除く): 153912128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 71, 80, 85, 98, 112, 119, 136, 140, 142, 170, 196, 238, 245, 272, 280, 284, 289, 340, 355, 392, 476, 490, 497, 560, 568, 578, 595, 680, 710, 784, 833, 952, 980, 994, 1136, 1156, 1190, 1207, 1360, 1420, 1445, 1666, 1904, 1960, 1988, 2023, 2312, 2380, 2414, 2485, 2840, 2890, 3332, 3479, 3920, 3976, 4046, 4165, 4624, 4760, 4828, 4970, 5680, 5780, 6035, 6664, 6958, 7952, 8092, 8330, 8449, 9520, 9656, 9940, 10115, 11560, 12070, 13328, 13916, 14161, 16184, 16660, 16898, 17395, 19312, 19880, 20230, 20519, 23120, 24140, 27832, 28322, 32368, 33320, 33796, 34790, 39760, 40460, 41038, 42245, 48280, 55664, 56644, 59143, 66640, 67592, 69580, 70805, 80920, 82076, 84490, 96560, 102595, 113288, 118286, 135184, 139160, 141610, 143633, 161840, 164152, 168980, 205190, 226576, 236572, 278320, 283220, 287266, 295715, 328304, 337960, 410380, 473144, 566440, 574532, 591430, 675920, 718165, 820760, 946288, 1005431, 1132880, 1149064, 1182860, 1436330, 1641520, 2010862, 2298128, 2365720, 2872660, 4021724, 4731440, 5027155, 5745320, 8043448, 10054310, 11490640, 16086896, 20108620, 40217240, 80434480]

約数ペア:

[(1, 80434480), (2, 40217240), (4, 20108620), (5, 16086896), (7, 11490640), (8, 10054310), (10, 8043448), (14, 5745320), (16, 5027155), (17, 4731440), (20, 4021724), (28, 2872660), (34, 2365720), (35, 2298128), (40, 2010862), (49, 1641520), (56, 1436330), (68, 1182860), (70, 1149064), (71, 1132880), (80, 1005431), (85, 946288), (98, 820760), (112, 718165), (119, 675920), (136, 591430), (140, 574532), (142, 566440), (170, 473144), (196, 410380), (238, 337960), (245, 328304), (272, 295715), (280, 287266), (284, 283220), (289, 278320), (340, 236572), (355, 226576), (392, 205190), (476, 168980), (490, 164152), (497, 161840), (560, 143633), (568, 141610), (578, 139160), (595, 135184), (680, 118286), (710, 113288), (784, 102595), (833, 96560), (952, 84490), (980, 82076), (994, 80920), (1136, 70805), (1156, 69580), (1190, 67592), (1207, 66640), (1360, 59143), (1420, 56644), (1445, 55664), (1666, 48280), (1904, 42245), (1960, 41038), (1988, 40460), (2023, 39760), (2312, 34790), (2380, 33796), (2414, 33320), (2485, 32368), (2840, 28322), (2890, 27832), (3332, 24140), (3479, 23120), (3920, 20519), (3976, 20230), (4046, 19880), (4165, 19312), (4624, 17395), (4760, 16898), (4828, 16660), (4970, 16184), (5680, 14161), (5780, 13916), (6035, 13328), (6664, 12070), (6958, 11560), (7952, 10115), (8092, 9940), (8330, 9656), (8449, 9520)]