8561280

素因数分解:

$2^7\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1$

素因数の和:56

約数の個数: 256

約数和(自身を含む): 34272000

約数和(自身を除く): 25710720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 98, 104, 105, 112, 120, 128, 130, 140, 147, 156, 160, 168, 182, 192, 195, 196, 208, 210, 224, 240, 245, 260, 273, 280, 294, 312, 320, 336, 343, 364, 384, 390, 392, 416, 420, 448, 455, 480, 490, 520, 546, 560, 588, 624, 637, 640, 672, 686, 728, 735, 780, 784, 832, 840, 896, 910, 960, 980, 1029, 1040, 1092, 1120, 1176, 1248, 1274, 1344, 1365, 1372, 1456, 1470, 1560, 1568, 1664, 1680, 1715, 1820, 1911, 1920, 1960, 2058, 2080, 2184, 2240, 2352, 2496, 2548, 2688, 2730, 2744, 2912, 2940, 3120, 3136, 3185, 3360, 3430, 3640, 3822, 3920, 4116, 4160, 4368, 4459, 4480, 4704, 4992, 5096, 5145, 5460, 5488, 5824, 5880, 6240, 6272, 6370, 6720, 6860, 7280, 7644, 7840, 8232, 8320, 8736, 8918, 9408, 9555, 10192, 10290, 10920, 10976, 11648, 11760, 12480, 12740, 13377, 13440, 13720, 14560, 15288, 15680, 16464, 17472, 17836, 18816, 19110, 20384, 20580, 21840, 21952, 22295, 23520, 24960, 25480, 26754, 27440, 29120, 30576, 31360, 32928, 34944, 35672, 38220, 40768, 41160, 43680, 43904, 44590, 47040, 50960, 53508, 54880, 58240, 61152, 65856, 66885, 71344, 76440, 81536, 82320, 87360, 89180, 94080, 101920, 107016, 109760, 122304, 131712, 133770, 142688, 152880, 164640, 174720, 178360, 203840, 214032, 219520, 244608, 267540, 285376, 305760, 329280, 356720, 407680, 428064, 535080, 570752, 611520, 658560, 713440, 856128, 1070160, 1223040, 1426880, 1712256, 2140320, 2853760, 4280640, 8561280]

約数ペア:

[(1, 8561280), (2, 4280640), (3, 2853760), (4, 2140320), (5, 1712256), (6, 1426880), (7, 1223040), (8, 1070160), (10, 856128), (12, 713440), (13, 658560), (14, 611520), (15, 570752), (16, 535080), (20, 428064), (21, 407680), (24, 356720), (26, 329280), (28, 305760), (30, 285376), (32, 267540), (35, 244608), (39, 219520), (40, 214032), (42, 203840), (48, 178360), (49, 174720), (52, 164640), (56, 152880), (60, 142688), (64, 133770), (65, 131712), (70, 122304), (78, 109760), (80, 107016), (84, 101920), (91, 94080), (96, 89180), (98, 87360), (104, 82320), (105, 81536), (112, 76440), (120, 71344), (128, 66885), (130, 65856), (140, 61152), (147, 58240), (156, 54880), (160, 53508), (168, 50960), (182, 47040), (192, 44590), (195, 43904), (196, 43680), (208, 41160), (210, 40768), (224, 38220), (240, 35672), (245, 34944), (260, 32928), (273, 31360), (280, 30576), (294, 29120), (312, 27440), (320, 26754), (336, 25480), (343, 24960), (364, 23520), (384, 22295), (390, 21952), (392, 21840), (416, 20580), (420, 20384), (448, 19110), (455, 18816), (480, 17836), (490, 17472), (520, 16464), (546, 15680), (560, 15288), (588, 14560), (624, 13720), (637, 13440), (640, 13377), (672, 12740), (686, 12480), (728, 11760), (735, 11648), (780, 10976), (784, 10920), (832, 10290), (840, 10192), (896, 9555), (910, 9408), (960, 8918), (980, 8736), (1029, 8320), (1040, 8232), (1092, 7840), (1120, 7644), (1176, 7280), (1248, 6860), (1274, 6720), (1344, 6370), (1365, 6272), (1372, 6240), (1456, 5880), (1470, 5824), (1560, 5488), (1568, 5460), (1664, 5145), (1680, 5096), (1715, 4992), (1820, 4704), (1911, 4480), (1920, 4459), (1960, 4368), (2058, 4160), (2080, 4116), (2184, 3920), (2240, 3822), (2352, 3640), (2496, 3430), (2548, 3360), (2688, 3185), (2730, 3136), (2744, 3120), (2912, 2940)]