128352420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 288

約数和(自身を含む): 479711232

約数和(自身を除く): 351358812

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 43, 45, 46, 60, 63, 69, 70, 84, 86, 90, 92, 103, 105, 115, 126, 129, 138, 140, 161, 172, 180, 206, 207, 210, 215, 230, 252, 258, 276, 301, 309, 315, 322, 345, 387, 412, 414, 420, 430, 460, 483, 515, 516, 602, 618, 630, 644, 645, 690, 721, 774, 805, 828, 860, 903, 927, 966, 989, 1030, 1035, 1204, 1236, 1260, 1290, 1380, 1442, 1449, 1505, 1545, 1548, 1610, 1806, 1854, 1932, 1935, 1978, 2060, 2070, 2163, 2369, 2415, 2580, 2709, 2884, 2898, 2967, 3010, 3090, 3220, 3605, 3612, 3708, 3870, 3956, 4140, 4326, 4429, 4515, 4635, 4738, 4830, 4945, 5418, 5796, 5934, 6020, 6180, 6489, 6923, 7107, 7210, 7245, 7740, 8652, 8858, 8901, 9030, 9270, 9476, 9660, 9890, 10815, 10836, 11845, 11868, 12978, 13287, 13545, 13846, 14214, 14420, 14490, 14835, 16583, 17716, 17802, 18060, 18540, 19780, 20769, 21321, 21630, 22145, 23690, 25956, 26574, 27090, 27692, 28428, 28980, 29670, 31003, 32445, 33166, 34615, 35535, 35604, 39861, 41538, 42642, 43260, 44290, 44505, 47380, 49749, 53148, 54180, 59340, 62006, 62307, 64890, 66332, 66435, 69230, 71070, 79722, 82915, 83076, 85284, 88580, 89010, 93009, 99498, 101867, 103845, 106605, 124012, 124614, 129780, 132870, 138460, 142140, 149247, 155015, 159444, 165830, 178020, 186018, 198996, 199305, 203734, 207690, 213210, 248745, 249228, 265740, 279027, 298494, 305601, 310030, 311535, 331660, 372036, 398610, 407468, 415380, 426420, 465045, 497490, 509335, 558054, 596988, 611202, 620060, 623070, 713069, 746235, 797220, 916803, 930090, 994980, 1018670, 1116108, 1222404, 1246140, 1395135, 1426138, 1492470, 1528005, 1833606, 1860180, 2037340, 2139207, 2790270, 2852276, 2984940, 3056010, 3565345, 3667212, 4278414, 4584015, 5580540, 6112020, 6417621, 7130690, 8556828, 9168030, 10696035, 12835242, 14261380, 18336060, 21392070, 25670484, 32088105, 42784140, 64176210, 128352420]

約数ペア:

[(1, 128352420), (2, 64176210), (3, 42784140), (4, 32088105), (5, 25670484), (6, 21392070), (7, 18336060), (9, 14261380), (10, 12835242), (12, 10696035), (14, 9168030), (15, 8556828), (18, 7130690), (20, 6417621), (21, 6112020), (23, 5580540), (28, 4584015), (30, 4278414), (35, 3667212), (36, 3565345), (42, 3056010), (43, 2984940), (45, 2852276), (46, 2790270), (60, 2139207), (63, 2037340), (69, 1860180), (70, 1833606), (84, 1528005), (86, 1492470), (90, 1426138), (92, 1395135), (103, 1246140), (105, 1222404), (115, 1116108), (126, 1018670), (129, 994980), (138, 930090), (140, 916803), (161, 797220), (172, 746235), (180, 713069), (206, 623070), (207, 620060), (210, 611202), (215, 596988), (230, 558054), (252, 509335), (258, 497490), (276, 465045), (301, 426420), (309, 415380), (315, 407468), (322, 398610), (345, 372036), (387, 331660), (412, 311535), (414, 310030), (420, 305601), (430, 298494), (460, 279027), (483, 265740), (515, 249228), (516, 248745), (602, 213210), (618, 207690), (630, 203734), (644, 199305), (645, 198996), (690, 186018), (721, 178020), (774, 165830), (805, 159444), (828, 155015), (860, 149247), (903, 142140), (927, 138460), (966, 132870), (989, 129780), (1030, 124614), (1035, 124012), (1204, 106605), (1236, 103845), (1260, 101867), (1290, 99498), (1380, 93009), (1442, 89010), (1449, 88580), (1505, 85284), (1545, 83076), (1548, 82915), (1610, 79722), (1806, 71070), (1854, 69230), (1932, 66435), (1935, 66332), (1978, 64890), (2060, 62307), (2070, 62006), (2163, 59340), (2369, 54180), (2415, 53148), (2580, 49749), (2709, 47380), (2884, 44505), (2898, 44290), (2967, 43260), (3010, 42642), (3090, 41538), (3220, 39861), (3605, 35604), (3612, 35535), (3708, 34615), (3870, 33166), (3956, 32445), (4140, 31003), (4326, 29670), (4429, 28980), (4515, 28428), (4635, 27692), (4738, 27090), (4830, 26574), (4945, 25956), (5418, 23690), (5796, 22145), (5934, 21630), (6020, 21321), (6180, 20769), (6489, 19780), (6923, 18540), (7107, 18060), (7210, 17802), (7245, 17716), (7740, 16583), (8652, 14835), (8858, 14490), (8901, 14420), (9030, 14214), (9270, 13846), (9476, 13545), (9660, 13287), (9890, 12978), (10815, 11868), (10836, 11845)]