28338660

素因数分解:

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

素因数の和:62

約数の個数: 288

約数和(自身を含む): 110073600

約数和(自身を除く): 81734940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 49, 51, 54, 60, 63, 68, 70, 81, 84, 85, 90, 98, 102, 105, 108, 119, 126, 135, 140, 147, 153, 162, 170, 180, 189, 196, 204, 210, 238, 243, 245, 252, 255, 270, 294, 306, 315, 324, 340, 343, 357, 378, 405, 420, 441, 459, 476, 486, 490, 510, 540, 567, 588, 595, 612, 630, 686, 714, 735, 756, 765, 810, 833, 882, 918, 945, 972, 980, 1020, 1029, 1071, 1134, 1190, 1215, 1260, 1323, 1372, 1377, 1428, 1470, 1530, 1620, 1666, 1701, 1715, 1764, 1785, 1836, 1890, 2058, 2142, 2205, 2268, 2295, 2380, 2430, 2499, 2646, 2754, 2835, 2940, 3060, 3087, 3213, 3332, 3402, 3430, 3570, 3780, 3969, 4116, 4131, 4165, 4284, 4410, 4590, 4860, 4998, 5145, 5292, 5355, 5508, 5670, 5831, 6174, 6426, 6615, 6804, 6860, 6885, 7140, 7497, 7938, 8262, 8330, 8505, 8820, 9180, 9261, 9639, 9996, 10290, 10710, 11340, 11662, 11907, 12348, 12495, 12852, 13230, 13770, 14994, 15435, 15876, 16065, 16524, 16660, 17010, 17493, 18522, 19278, 19845, 20580, 20655, 21420, 22491, 23324, 23814, 24990, 26460, 27540, 27783, 28917, 29155, 29988, 30870, 32130, 34020, 34986, 37044, 37485, 38556, 39690, 41310, 44982, 46305, 47628, 48195, 49980, 52479, 55566, 57834, 58310, 59535, 61740, 64260, 67473, 69972, 74970, 79380, 82620, 83349, 87465, 89964, 92610, 96390, 104958, 111132, 112455, 115668, 116620, 119070, 134946, 138915, 144585, 149940, 157437, 166698, 174930, 185220, 192780, 202419, 209916, 224910, 238140, 262395, 269892, 277830, 289170, 314874, 333396, 337365, 349860, 404838, 416745, 449820, 472311, 524790, 555660, 578340, 629748, 674730, 787185, 809676, 833490, 944622, 1012095, 1049580, 1349460, 1416933, 1574370, 1666980, 1889244, 2024190, 2361555, 2833866, 3148740, 4048380, 4723110, 5667732, 7084665, 9446220, 14169330, 28338660]

約数ペア:

[(1, 28338660), (2, 14169330), (3, 9446220), (4, 7084665), (5, 5667732), (6, 4723110), (7, 4048380), (9, 3148740), (10, 2833866), (12, 2361555), (14, 2024190), (15, 1889244), (17, 1666980), (18, 1574370), (20, 1416933), (21, 1349460), (27, 1049580), (28, 1012095), (30, 944622), (34, 833490), (35, 809676), (36, 787185), (42, 674730), (45, 629748), (49, 578340), (51, 555660), (54, 524790), (60, 472311), (63, 449820), (68, 416745), (70, 404838), (81, 349860), (84, 337365), (85, 333396), (90, 314874), (98, 289170), (102, 277830), (105, 269892), (108, 262395), (119, 238140), (126, 224910), (135, 209916), (140, 202419), (147, 192780), (153, 185220), (162, 174930), (170, 166698), (180, 157437), (189, 149940), (196, 144585), (204, 138915), (210, 134946), (238, 119070), (243, 116620), (245, 115668), (252, 112455), (255, 111132), (270, 104958), (294, 96390), (306, 92610), (315, 89964), (324, 87465), (340, 83349), (343, 82620), (357, 79380), (378, 74970), (405, 69972), (420, 67473), (441, 64260), (459, 61740), (476, 59535), (486, 58310), (490, 57834), (510, 55566), (540, 52479), (567, 49980), (588, 48195), (595, 47628), (612, 46305), (630, 44982), (686, 41310), (714, 39690), (735, 38556), (756, 37485), (765, 37044), (810, 34986), (833, 34020), (882, 32130), (918, 30870), (945, 29988), (972, 29155), (980, 28917), (1020, 27783), (1029, 27540), (1071, 26460), (1134, 24990), (1190, 23814), (1215, 23324), (1260, 22491), (1323, 21420), (1372, 20655), (1377, 20580), (1428, 19845), (1470, 19278), (1530, 18522), (1620, 17493), (1666, 17010), (1701, 16660), (1715, 16524), (1764, 16065), (1785, 15876), (1836, 15435), (1890, 14994), (2058, 13770), (2142, 13230), (2205, 12852), (2268, 12495), (2295, 12348), (2380, 11907), (2430, 11662), (2499, 11340), (2646, 10710), (2754, 10290), (2835, 9996), (2940, 9639), (3060, 9261), (3087, 9180), (3213, 8820), (3332, 8505), (3402, 8330), (3430, 8262), (3570, 7938), (3780, 7497), (3969, 7140), (4116, 6885), (4131, 6860), (4165, 6804), (4284, 6615), (4410, 6426), (4590, 6174), (4860, 5831), (4998, 5670), (5145, 5508), (5292, 5355)]