254555280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2971}}^1$

素因数の和:3014

約数の個数: 240

約数和(自身を含む): 1034826624

約数和(自身を除く): 780271344

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 168, 170, 180, 204, 210, 238, 240, 252, 255, 272, 280, 306, 315, 336, 340, 357, 360, 408, 420, 476, 504, 510, 560, 595, 612, 630, 680, 714, 720, 765, 816, 840, 952, 1008, 1020, 1071, 1190, 1224, 1260, 1360, 1428, 1530, 1680, 1785, 1904, 2040, 2142, 2380, 2448, 2520, 2856, 2971, 3060, 3570, 4080, 4284, 4760, 5040, 5355, 5712, 5942, 6120, 7140, 8568, 8913, 9520, 10710, 11884, 12240, 14280, 14855, 17136, 17826, 20797, 21420, 23768, 26739, 28560, 29710, 35652, 41594, 42840, 44565, 47536, 50507, 53478, 59420, 62391, 71304, 83188, 85680, 89130, 101014, 103985, 106956, 118840, 124782, 133695, 142608, 151521, 166376, 178260, 187173, 202028, 207970, 213912, 237680, 249564, 252535, 267390, 303042, 311955, 332752, 353549, 356520, 374346, 404056, 415940, 427824, 454563, 499128, 505070, 534780, 606084, 623910, 707098, 713040, 748692, 757605, 808112, 831880, 909126, 935865, 998256, 1010140, 1060647, 1069560, 1212168, 1247820, 1414196, 1497384, 1515210, 1663760, 1767745, 1818252, 1871730, 2020280, 2121294, 2139120, 2272815, 2424336, 2495640, 2828392, 2994768, 3030420, 3181941, 3535490, 3636504, 3743460, 4040560, 4242588, 4545630, 4991280, 5303235, 5656784, 6060840, 6363882, 7070980, 7273008, 7486920, 8485176, 9091260, 10606470, 12121680, 12727764, 14141960, 14973840, 15909705, 16970352, 18182520, 21212940, 25455528, 28283920, 31819410, 36365040, 42425880, 50911056, 63638820, 84851760, 127277640, 254555280]

約数ペア:

[(1, 254555280), (2, 127277640), (3, 84851760), (4, 63638820), (5, 50911056), (6, 42425880), (7, 36365040), (8, 31819410), (9, 28283920), (10, 25455528), (12, 21212940), (14, 18182520), (15, 16970352), (16, 15909705), (17, 14973840), (18, 14141960), (20, 12727764), (21, 12121680), (24, 10606470), (28, 9091260), (30, 8485176), (34, 7486920), (35, 7273008), (36, 7070980), (40, 6363882), (42, 6060840), (45, 5656784), (48, 5303235), (51, 4991280), (56, 4545630), (60, 4242588), (63, 4040560), (68, 3743460), (70, 3636504), (72, 3535490), (80, 3181941), (84, 3030420), (85, 2994768), (90, 2828392), (102, 2495640), (105, 2424336), (112, 2272815), (119, 2139120), (120, 2121294), (126, 2020280), (136, 1871730), (140, 1818252), (144, 1767745), (153, 1663760), (168, 1515210), (170, 1497384), (180, 1414196), (204, 1247820), (210, 1212168), (238, 1069560), (240, 1060647), (252, 1010140), (255, 998256), (272, 935865), (280, 909126), (306, 831880), (315, 808112), (336, 757605), (340, 748692), (357, 713040), (360, 707098), (408, 623910), (420, 606084), (476, 534780), (504, 505070), (510, 499128), (560, 454563), (595, 427824), (612, 415940), (630, 404056), (680, 374346), (714, 356520), (720, 353549), (765, 332752), (816, 311955), (840, 303042), (952, 267390), (1008, 252535), (1020, 249564), (1071, 237680), (1190, 213912), (1224, 207970), (1260, 202028), (1360, 187173), (1428, 178260), (1530, 166376), (1680, 151521), (1785, 142608), (1904, 133695), (2040, 124782), (2142, 118840), (2380, 106956), (2448, 103985), (2520, 101014), (2856, 89130), (2971, 85680), (3060, 83188), (3570, 71304), (4080, 62391), (4284, 59420), (4760, 53478), (5040, 50507), (5355, 47536), (5712, 44565), (5942, 42840), (6120, 41594), (7140, 35652), (8568, 29710), (8913, 28560), (9520, 26739), (10710, 23768), (11884, 21420), (12240, 20797), (14280, 17826), (14855, 17136)]