278741520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7591}}^1$

素因数の和:7630

約数の個数: 160

約数和(自身を含む): 1016720640

約数和(自身を除く): 737979120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 102, 108, 120, 135, 136, 144, 153, 170, 180, 204, 216, 240, 255, 270, 272, 306, 340, 360, 408, 432, 459, 510, 540, 612, 680, 720, 765, 816, 918, 1020, 1080, 1224, 1360, 1530, 1836, 2040, 2160, 2295, 2448, 3060, 3672, 4080, 4590, 6120, 7344, 7591, 9180, 12240, 15182, 18360, 22773, 30364, 36720, 37955, 45546, 60728, 68319, 75910, 91092, 113865, 121456, 129047, 136638, 151820, 182184, 204957, 227730, 258094, 273276, 303640, 341595, 364368, 387141, 409914, 455460, 516188, 546552, 607280, 645235, 683190, 774282, 819828, 910920, 1024785, 1032376, 1093104, 1161423, 1290470, 1366380, 1548564, 1639656, 1821840, 1935705, 2049570, 2064752, 2322846, 2580940, 2732760, 3097128, 3279312, 3484269, 3871410, 4099140, 4645692, 5161880, 5465520, 5807115, 6194256, 6968538, 7742820, 8198280, 9291384, 10323760, 11614230, 13937076, 15485640, 16396560, 17421345, 18582768, 23228460, 27874152, 30971280, 34842690, 46456920, 55748304, 69685380, 92913840, 139370760, 278741520]

約数ペア:

[(1, 278741520), (2, 139370760), (3, 92913840), (4, 69685380), (5, 55748304), (6, 46456920), (8, 34842690), (9, 30971280), (10, 27874152), (12, 23228460), (15, 18582768), (16, 17421345), (17, 16396560), (18, 15485640), (20, 13937076), (24, 11614230), (27, 10323760), (30, 9291384), (34, 8198280), (36, 7742820), (40, 6968538), (45, 6194256), (48, 5807115), (51, 5465520), (54, 5161880), (60, 4645692), (68, 4099140), (72, 3871410), (80, 3484269), (85, 3279312), (90, 3097128), (102, 2732760), (108, 2580940), (120, 2322846), (135, 2064752), (136, 2049570), (144, 1935705), (153, 1821840), (170, 1639656), (180, 1548564), (204, 1366380), (216, 1290470), (240, 1161423), (255, 1093104), (270, 1032376), (272, 1024785), (306, 910920), (340, 819828), (360, 774282), (408, 683190), (432, 645235), (459, 607280), (510, 546552), (540, 516188), (612, 455460), (680, 409914), (720, 387141), (765, 364368), (816, 341595), (918, 303640), (1020, 273276), (1080, 258094), (1224, 227730), (1360, 204957), (1530, 182184), (1836, 151820), (2040, 136638), (2160, 129047), (2295, 121456), (2448, 113865), (3060, 91092), (3672, 75910), (4080, 68319), (4590, 60728), (6120, 45546), (7344, 37955), (7591, 36720), (9180, 30364), (12240, 22773), (15182, 18360)]