80545920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:503

約数の個数: 256

約数和(自身を含む): 316673280

約数和(自身を除く): 236127360

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, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 128, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 260, 273, 280, 312, 320, 336, 364, 384, 390, 416, 420, 448, 455, 461, 480, 520, 546, 560, 624, 640, 672, 728, 780, 832, 840, 896, 910, 922, 960, 1040, 1092, 1120, 1248, 1344, 1365, 1383, 1456, 1560, 1664, 1680, 1820, 1844, 1920, 2080, 2184, 2240, 2305, 2496, 2688, 2730, 2766, 2912, 3120, 3227, 3360, 3640, 3688, 4160, 4368, 4480, 4610, 4992, 5460, 5532, 5824, 5993, 6240, 6454, 6720, 6915, 7280, 7376, 8320, 8736, 9220, 9681, 10920, 11064, 11648, 11986, 12480, 12908, 13440, 13830, 14560, 14752, 16135, 17472, 17979, 18440, 19362, 21840, 22128, 23972, 24960, 25816, 27660, 29120, 29504, 29965, 32270, 34944, 35958, 36880, 38724, 41951, 43680, 44256, 47944, 48405, 51632, 55320, 58240, 59008, 59930, 64540, 71916, 73760, 77448, 83902, 87360, 88512, 89895, 95888, 96810, 103264, 110640, 119860, 125853, 129080, 143832, 147520, 154896, 167804, 174720, 177024, 179790, 191776, 193620, 206528, 209755, 221280, 239720, 251706, 258160, 287664, 295040, 309792, 335608, 359580, 383552, 387240, 413056, 419510, 442560, 479440, 503412, 516320, 575328, 619584, 629265, 671216, 719160, 767104, 774480, 839020, 885120, 958880, 1006824, 1032640, 1150656, 1239168, 1258530, 1342432, 1438320, 1548960, 1678040, 1917760, 2013648, 2065280, 2301312, 2517060, 2684864, 2876640, 3097920, 3356080, 3835520, 4027296, 5034120, 5369728, 5753280, 6195840, 6712160, 8054592, 10068240, 11506560, 13424320, 16109184, 20136480, 26848640, 40272960, 80545920]

約数ペア:

[(1, 80545920), (2, 40272960), (3, 26848640), (4, 20136480), (5, 16109184), (6, 13424320), (7, 11506560), (8, 10068240), (10, 8054592), (12, 6712160), (13, 6195840), (14, 5753280), (15, 5369728), (16, 5034120), (20, 4027296), (21, 3835520), (24, 3356080), (26, 3097920), (28, 2876640), (30, 2684864), (32, 2517060), (35, 2301312), (39, 2065280), (40, 2013648), (42, 1917760), (48, 1678040), (52, 1548960), (56, 1438320), (60, 1342432), (64, 1258530), (65, 1239168), (70, 1150656), (78, 1032640), (80, 1006824), (84, 958880), (91, 885120), (96, 839020), (104, 774480), (105, 767104), (112, 719160), (120, 671216), (128, 629265), (130, 619584), (140, 575328), (156, 516320), (160, 503412), (168, 479440), (182, 442560), (192, 419510), (195, 413056), (208, 387240), (210, 383552), (224, 359580), (240, 335608), (260, 309792), (273, 295040), (280, 287664), (312, 258160), (320, 251706), (336, 239720), (364, 221280), (384, 209755), (390, 206528), (416, 193620), (420, 191776), (448, 179790), (455, 177024), (461, 174720), (480, 167804), (520, 154896), (546, 147520), (560, 143832), (624, 129080), (640, 125853), (672, 119860), (728, 110640), (780, 103264), (832, 96810), (840, 95888), (896, 89895), (910, 88512), (922, 87360), (960, 83902), (1040, 77448), (1092, 73760), (1120, 71916), (1248, 64540), (1344, 59930), (1365, 59008), (1383, 58240), (1456, 55320), (1560, 51632), (1664, 48405), (1680, 47944), (1820, 44256), (1844, 43680), (1920, 41951), (2080, 38724), (2184, 36880), (2240, 35958), (2305, 34944), (2496, 32270), (2688, 29965), (2730, 29504), (2766, 29120), (2912, 27660), (3120, 25816), (3227, 24960), (3360, 23972), (3640, 22128), (3688, 21840), (4160, 19362), (4368, 18440), (4480, 17979), (4610, 17472), (4992, 16135), (5460, 14752), (5532, 14560), (5824, 13830), (5993, 13440), (6240, 12908), (6454, 12480), (6720, 11986), (6915, 11648), (7280, 11064), (7376, 10920), (8320, 9681), (8736, 9220)]