280819200

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 240

約数和(自身を含む): 949867776

約数和(自身を除く): 669048576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 71, 75, 80, 96, 100, 103, 120, 128, 142, 150, 160, 192, 200, 206, 213, 240, 256, 284, 300, 309, 320, 355, 384, 400, 412, 426, 480, 512, 515, 568, 600, 618, 640, 710, 768, 800, 824, 852, 960, 1030, 1065, 1136, 1200, 1236, 1280, 1420, 1536, 1545, 1600, 1648, 1704, 1775, 1920, 2060, 2130, 2272, 2400, 2472, 2560, 2575, 2840, 3090, 3200, 3296, 3408, 3550, 3840, 4120, 4260, 4544, 4800, 4944, 5150, 5325, 5680, 6180, 6400, 6592, 6816, 7100, 7313, 7680, 7725, 8240, 8520, 9088, 9600, 9888, 10300, 10650, 11360, 12360, 12800, 13184, 13632, 14200, 14626, 15450, 16480, 17040, 18176, 19200, 19776, 20600, 21300, 21939, 22720, 24720, 26368, 27264, 28400, 29252, 30900, 32960, 34080, 36352, 36565, 38400, 39552, 41200, 42600, 43878, 45440, 49440, 52736, 54528, 56800, 58504, 61800, 65920, 68160, 73130, 79104, 82400, 85200, 87756, 90880, 98880, 109056, 109695, 113600, 117008, 123600, 131840, 136320, 146260, 158208, 164800, 170400, 175512, 181760, 182825, 197760, 219390, 227200, 234016, 247200, 263680, 272640, 292520, 329600, 340800, 351024, 365650, 395520, 438780, 454400, 468032, 494400, 545280, 548475, 585040, 659200, 681600, 702048, 731300, 791040, 877560, 908800, 936064, 988800, 1096950, 1170080, 1318400, 1363200, 1404096, 1462600, 1755120, 1872128, 1977600, 2193900, 2340160, 2726400, 2808192, 2925200, 3510240, 3744256, 3955200, 4387800, 4680320, 5616384, 5850400, 7020480, 8775600, 9360640, 11232768, 11700800, 14040960, 17551200, 18721280, 23401600, 28081920, 35102400, 46803200, 56163840, 70204800, 93606400, 140409600, 280819200]

約数ペア:

[(1, 280819200), (2, 140409600), (3, 93606400), (4, 70204800), (5, 56163840), (6, 46803200), (8, 35102400), (10, 28081920), (12, 23401600), (15, 18721280), (16, 17551200), (20, 14040960), (24, 11700800), (25, 11232768), (30, 9360640), (32, 8775600), (40, 7020480), (48, 5850400), (50, 5616384), (60, 4680320), (64, 4387800), (71, 3955200), (75, 3744256), (80, 3510240), (96, 2925200), (100, 2808192), (103, 2726400), (120, 2340160), (128, 2193900), (142, 1977600), (150, 1872128), (160, 1755120), (192, 1462600), (200, 1404096), (206, 1363200), (213, 1318400), (240, 1170080), (256, 1096950), (284, 988800), (300, 936064), (309, 908800), (320, 877560), (355, 791040), (384, 731300), (400, 702048), (412, 681600), (426, 659200), (480, 585040), (512, 548475), (515, 545280), (568, 494400), (600, 468032), (618, 454400), (640, 438780), (710, 395520), (768, 365650), (800, 351024), (824, 340800), (852, 329600), (960, 292520), (1030, 272640), (1065, 263680), (1136, 247200), (1200, 234016), (1236, 227200), (1280, 219390), (1420, 197760), (1536, 182825), (1545, 181760), (1600, 175512), (1648, 170400), (1704, 164800), (1775, 158208), (1920, 146260), (2060, 136320), (2130, 131840), (2272, 123600), (2400, 117008), (2472, 113600), (2560, 109695), (2575, 109056), (2840, 98880), (3090, 90880), (3200, 87756), (3296, 85200), (3408, 82400), (3550, 79104), (3840, 73130), (4120, 68160), (4260, 65920), (4544, 61800), (4800, 58504), (4944, 56800), (5150, 54528), (5325, 52736), (5680, 49440), (6180, 45440), (6400, 43878), (6592, 42600), (6816, 41200), (7100, 39552), (7313, 38400), (7680, 36565), (7725, 36352), (8240, 34080), (8520, 32960), (9088, 30900), (9600, 29252), (9888, 28400), (10300, 27264), (10650, 26368), (11360, 24720), (12360, 22720), (12800, 21939), (13184, 21300), (13632, 20600), (14200, 19776), (14626, 19200), (15450, 18176), (16480, 17040)]