278545680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3251}}^1$

素因数の和:3294

約数の個数: 240

約数和(自身を含む): 1132320384

約数和(自身を除く): 853774704

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, 3060, 3251, 3570, 4080, 4284, 4760, 5040, 5355, 5712, 6120, 6502, 7140, 8568, 9520, 9753, 10710, 12240, 13004, 14280, 16255, 17136, 19506, 21420, 22757, 26008, 28560, 29259, 32510, 39012, 42840, 45514, 48765, 52016, 55267, 58518, 65020, 68271, 78024, 85680, 91028, 97530, 110534, 113785, 117036, 130040, 136542, 146295, 156048, 165801, 182056, 195060, 204813, 221068, 227570, 234072, 260080, 273084, 276335, 292590, 331602, 341355, 364112, 386869, 390120, 409626, 442136, 455140, 468144, 497403, 546168, 552670, 585180, 663204, 682710, 773738, 780240, 819252, 829005, 884272, 910280, 994806, 1024065, 1092336, 1105340, 1160607, 1170360, 1326408, 1365420, 1547476, 1638504, 1658010, 1820560, 1934345, 1989612, 2048130, 2210680, 2321214, 2340720, 2487015, 2652816, 2730840, 3094952, 3277008, 3316020, 3481821, 3868690, 3979224, 4096260, 4421360, 4642428, 4974030, 5461680, 5803035, 6189904, 6632040, 6963642, 7737380, 7958448, 8192520, 9284856, 9948060, 11606070, 13264080, 13927284, 15474760, 16385040, 17409105, 18569712, 19896120, 23212140, 27854568, 30949520, 34818210, 39792240, 46424280, 55709136, 69636420, 92848560, 139272840, 278545680]

約数ペア:

[(1, 278545680), (2, 139272840), (3, 92848560), (4, 69636420), (5, 55709136), (6, 46424280), (7, 39792240), (8, 34818210), (9, 30949520), (10, 27854568), (12, 23212140), (14, 19896120), (15, 18569712), (16, 17409105), (17, 16385040), (18, 15474760), (20, 13927284), (21, 13264080), (24, 11606070), (28, 9948060), (30, 9284856), (34, 8192520), (35, 7958448), (36, 7737380), (40, 6963642), (42, 6632040), (45, 6189904), (48, 5803035), (51, 5461680), (56, 4974030), (60, 4642428), (63, 4421360), (68, 4096260), (70, 3979224), (72, 3868690), (80, 3481821), (84, 3316020), (85, 3277008), (90, 3094952), (102, 2730840), (105, 2652816), (112, 2487015), (119, 2340720), (120, 2321214), (126, 2210680), (136, 2048130), (140, 1989612), (144, 1934345), (153, 1820560), (168, 1658010), (170, 1638504), (180, 1547476), (204, 1365420), (210, 1326408), (238, 1170360), (240, 1160607), (252, 1105340), (255, 1092336), (272, 1024065), (280, 994806), (306, 910280), (315, 884272), (336, 829005), (340, 819252), (357, 780240), (360, 773738), (408, 682710), (420, 663204), (476, 585180), (504, 552670), (510, 546168), (560, 497403), (595, 468144), (612, 455140), (630, 442136), (680, 409626), (714, 390120), (720, 386869), (765, 364112), (816, 341355), (840, 331602), (952, 292590), (1008, 276335), (1020, 273084), (1071, 260080), (1190, 234072), (1224, 227570), (1260, 221068), (1360, 204813), (1428, 195060), (1530, 182056), (1680, 165801), (1785, 156048), (1904, 146295), (2040, 136542), (2142, 130040), (2380, 117036), (2448, 113785), (2520, 110534), (2856, 97530), (3060, 91028), (3251, 85680), (3570, 78024), (4080, 68271), (4284, 65020), (4760, 58518), (5040, 55267), (5355, 52016), (5712, 48765), (6120, 45514), (6502, 42840), (7140, 39012), (8568, 32510), (9520, 29259), (9753, 28560), (10710, 26008), (12240, 22757), (13004, 21420), (14280, 19506), (16255, 17136)]