280500480

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1873}}^1$

素因数の和:1913

約数の個数: 216

約数和(自身を含む): 1045714488

約数和(自身を除く): 765214008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 768, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1280, 1440, 1560, 1664, 1872, 1873, 1920, 2080, 2304, 2340, 2496, 2880, 3120, 3328, 3744, 3746, 3840, 4160, 4680, 4992, 5619, 5760, 6240, 7488, 7492, 8320, 9360, 9365, 9984, 11238, 11520, 12480, 14976, 14984, 16640, 16857, 18720, 18730, 22476, 24349, 24960, 28095, 29952, 29968, 33714, 37440, 37460, 44952, 48698, 49920, 56190, 59936, 67428, 73047, 74880, 74920, 84285, 89904, 97396, 112380, 119872, 121745, 134856, 146094, 149760, 149840, 168570, 179808, 194792, 219141, 224760, 239744, 243490, 269712, 292188, 299680, 337140, 359616, 365235, 389584, 438282, 449520, 479488, 486980, 539424, 584376, 599360, 674280, 719232, 730470, 779168, 876564, 899040, 973960, 1078848, 1095705, 1168752, 1198720, 1348560, 1438464, 1460940, 1558336, 1753128, 1798080, 1947920, 2157696, 2191410, 2337504, 2397440, 2697120, 2921880, 3116672, 3506256, 3596160, 3895840, 4315392, 4382820, 4675008, 5394240, 5843760, 6233344, 7012512, 7192320, 7791680, 8765640, 9350016, 10788480, 11687520, 14025024, 15583360, 17531280, 18700032, 21576960, 23375040, 28050048, 31166720, 35062560, 46750080, 56100096, 70125120, 93500160, 140250240, 280500480]

約数ペア:

[(1, 280500480), (2, 140250240), (3, 93500160), (4, 70125120), (5, 56100096), (6, 46750080), (8, 35062560), (9, 31166720), (10, 28050048), (12, 23375040), (13, 21576960), (15, 18700032), (16, 17531280), (18, 15583360), (20, 14025024), (24, 11687520), (26, 10788480), (30, 9350016), (32, 8765640), (36, 7791680), (39, 7192320), (40, 7012512), (45, 6233344), (48, 5843760), (52, 5394240), (60, 4675008), (64, 4382820), (65, 4315392), (72, 3895840), (78, 3596160), (80, 3506256), (90, 3116672), (96, 2921880), (104, 2697120), (117, 2397440), (120, 2337504), (128, 2191410), (130, 2157696), (144, 1947920), (156, 1798080), (160, 1753128), (180, 1558336), (192, 1460940), (195, 1438464), (208, 1348560), (234, 1198720), (240, 1168752), (256, 1095705), (260, 1078848), (288, 973960), (312, 899040), (320, 876564), (360, 779168), (384, 730470), (390, 719232), (416, 674280), (468, 599360), (480, 584376), (520, 539424), (576, 486980), (585, 479488), (624, 449520), (640, 438282), (720, 389584), (768, 365235), (780, 359616), (832, 337140), (936, 299680), (960, 292188), (1040, 269712), (1152, 243490), (1170, 239744), (1248, 224760), (1280, 219141), (1440, 194792), (1560, 179808), (1664, 168570), (1872, 149840), (1873, 149760), (1920, 146094), (2080, 134856), (2304, 121745), (2340, 119872), (2496, 112380), (2880, 97396), (3120, 89904), (3328, 84285), (3744, 74920), (3746, 74880), (3840, 73047), (4160, 67428), (4680, 59936), (4992, 56190), (5619, 49920), (5760, 48698), (6240, 44952), (7488, 37460), (7492, 37440), (8320, 33714), (9360, 29968), (9365, 29952), (9984, 28095), (11238, 24960), (11520, 24349), (12480, 22476), (14976, 18730), (14984, 18720), (16640, 16857)]