28117320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:228

約数の個数: 256

約数和(自身を含む): 111974400

約数和(自身を除く): 83857080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 17, 20, 21, 22, 24, 28, 30, 33, 34, 35, 40, 42, 44, 51, 55, 56, 60, 66, 68, 70, 77, 84, 85, 88, 102, 105, 110, 119, 120, 132, 136, 140, 154, 165, 168, 170, 179, 187, 204, 210, 220, 231, 238, 255, 264, 280, 308, 330, 340, 357, 358, 374, 385, 408, 420, 440, 462, 476, 510, 537, 561, 595, 616, 660, 680, 714, 716, 748, 770, 840, 895, 924, 935, 952, 1020, 1074, 1122, 1155, 1190, 1253, 1309, 1320, 1428, 1432, 1496, 1540, 1785, 1790, 1848, 1870, 1969, 2040, 2148, 2244, 2310, 2380, 2506, 2618, 2685, 2805, 2856, 3043, 3080, 3570, 3580, 3740, 3759, 3927, 3938, 4296, 4488, 4620, 4760, 5012, 5236, 5370, 5610, 5907, 6086, 6265, 6545, 7140, 7160, 7480, 7518, 7854, 7876, 9129, 9240, 9845, 10024, 10472, 10740, 11220, 11814, 12172, 12530, 13090, 13783, 14280, 15036, 15215, 15708, 15752, 18258, 18795, 19635, 19690, 21301, 21480, 22440, 23628, 24344, 25060, 26180, 27566, 29535, 30072, 30430, 31416, 33473, 36516, 37590, 39270, 39380, 41349, 42602, 45645, 47256, 50120, 52360, 55132, 59070, 60860, 63903, 66946, 68915, 73032, 75180, 78540, 78760, 82698, 85204, 91290, 100419, 106505, 110264, 118140, 121720, 127806, 133892, 137830, 150360, 157080, 165396, 167365, 170408, 182580, 200838, 206745, 213010, 234311, 236280, 255612, 267784, 275660, 319515, 330792, 334730, 365160, 401676, 413490, 426020, 468622, 502095, 511224, 551320, 639030, 669460, 702933, 803352, 826980, 852040, 937244, 1004190, 1171555, 1278060, 1338920, 1405866, 1653960, 1874488, 2008380, 2343110, 2556120, 2811732, 3514665, 4016760, 4686220, 5623464, 7029330, 9372440, 14058660, 28117320]

約数ペア:

[(1, 28117320), (2, 14058660), (3, 9372440), (4, 7029330), (5, 5623464), (6, 4686220), (7, 4016760), (8, 3514665), (10, 2811732), (11, 2556120), (12, 2343110), (14, 2008380), (15, 1874488), (17, 1653960), (20, 1405866), (21, 1338920), (22, 1278060), (24, 1171555), (28, 1004190), (30, 937244), (33, 852040), (34, 826980), (35, 803352), (40, 702933), (42, 669460), (44, 639030), (51, 551320), (55, 511224), (56, 502095), (60, 468622), (66, 426020), (68, 413490), (70, 401676), (77, 365160), (84, 334730), (85, 330792), (88, 319515), (102, 275660), (105, 267784), (110, 255612), (119, 236280), (120, 234311), (132, 213010), (136, 206745), (140, 200838), (154, 182580), (165, 170408), (168, 167365), (170, 165396), (179, 157080), (187, 150360), (204, 137830), (210, 133892), (220, 127806), (231, 121720), (238, 118140), (255, 110264), (264, 106505), (280, 100419), (308, 91290), (330, 85204), (340, 82698), (357, 78760), (358, 78540), (374, 75180), (385, 73032), (408, 68915), (420, 66946), (440, 63903), (462, 60860), (476, 59070), (510, 55132), (537, 52360), (561, 50120), (595, 47256), (616, 45645), (660, 42602), (680, 41349), (714, 39380), (716, 39270), (748, 37590), (770, 36516), (840, 33473), (895, 31416), (924, 30430), (935, 30072), (952, 29535), (1020, 27566), (1074, 26180), (1122, 25060), (1155, 24344), (1190, 23628), (1253, 22440), (1309, 21480), (1320, 21301), (1428, 19690), (1432, 19635), (1496, 18795), (1540, 18258), (1785, 15752), (1790, 15708), (1848, 15215), (1870, 15036), (1969, 14280), (2040, 13783), (2148, 13090), (2244, 12530), (2310, 12172), (2380, 11814), (2506, 11220), (2618, 10740), (2685, 10472), (2805, 10024), (2856, 9845), (3043, 9240), (3080, 9129), (3570, 7876), (3580, 7854), (3740, 7518), (3759, 7480), (3927, 7160), (3938, 7140), (4296, 6545), (4488, 6265), (4620, 6086), (4760, 5907), (5012, 5610), (5236, 5370)]