80516800

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 252

約数和(自身を含む): 251338080

約数和(自身を除く): 170821280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 49, 50, 52, 56, 64, 65, 70, 79, 80, 91, 98, 100, 104, 112, 130, 140, 158, 160, 175, 182, 196, 200, 208, 224, 245, 260, 280, 316, 320, 325, 350, 364, 392, 395, 400, 416, 448, 455, 490, 520, 553, 560, 632, 637, 650, 700, 728, 784, 790, 800, 832, 910, 980, 1027, 1040, 1106, 1120, 1225, 1264, 1274, 1300, 1400, 1456, 1568, 1580, 1600, 1820, 1960, 1975, 2054, 2080, 2212, 2240, 2275, 2450, 2528, 2548, 2600, 2765, 2800, 2912, 3136, 3160, 3185, 3640, 3871, 3920, 3950, 4108, 4160, 4424, 4550, 4900, 5056, 5096, 5135, 5200, 5530, 5600, 5824, 6320, 6370, 7189, 7280, 7742, 7840, 7900, 8216, 8848, 9100, 9800, 10192, 10270, 10400, 11060, 11200, 12640, 12740, 13825, 14378, 14560, 15484, 15680, 15800, 15925, 16432, 17696, 18200, 19355, 19600, 20384, 20540, 20800, 22120, 25280, 25480, 25675, 27650, 28756, 29120, 30968, 31600, 31850, 32864, 35392, 35945, 36400, 38710, 39200, 40768, 41080, 44240, 50323, 50960, 51350, 55300, 57512, 61936, 63200, 63700, 65728, 71890, 72800, 77420, 78400, 82160, 88480, 96775, 100646, 101920, 102700, 110600, 115024, 123872, 126400, 127400, 143780, 145600, 154840, 164320, 176960, 179725, 193550, 201292, 203840, 205400, 221200, 230048, 247744, 251615, 254800, 287560, 309680, 328640, 359450, 387100, 402584, 410800, 442400, 460096, 503230, 509600, 575120, 619360, 718900, 774200, 805168, 821600, 884800, 1006460, 1019200, 1150240, 1238720, 1258075, 1437800, 1548400, 1610336, 1643200, 2012920, 2300480, 2516150, 2875600, 3096800, 3220672, 4025840, 5032300, 5751200, 6193600, 8051680, 10064600, 11502400, 16103360, 20129200, 40258400, 80516800]

約数ペア:

[(1, 80516800), (2, 40258400), (4, 20129200), (5, 16103360), (7, 11502400), (8, 10064600), (10, 8051680), (13, 6193600), (14, 5751200), (16, 5032300), (20, 4025840), (25, 3220672), (26, 3096800), (28, 2875600), (32, 2516150), (35, 2300480), (40, 2012920), (49, 1643200), (50, 1610336), (52, 1548400), (56, 1437800), (64, 1258075), (65, 1238720), (70, 1150240), (79, 1019200), (80, 1006460), (91, 884800), (98, 821600), (100, 805168), (104, 774200), (112, 718900), (130, 619360), (140, 575120), (158, 509600), (160, 503230), (175, 460096), (182, 442400), (196, 410800), (200, 402584), (208, 387100), (224, 359450), (245, 328640), (260, 309680), (280, 287560), (316, 254800), (320, 251615), (325, 247744), (350, 230048), (364, 221200), (392, 205400), (395, 203840), (400, 201292), (416, 193550), (448, 179725), (455, 176960), (490, 164320), (520, 154840), (553, 145600), (560, 143780), (632, 127400), (637, 126400), (650, 123872), (700, 115024), (728, 110600), (784, 102700), (790, 101920), (800, 100646), (832, 96775), (910, 88480), (980, 82160), (1027, 78400), (1040, 77420), (1106, 72800), (1120, 71890), (1225, 65728), (1264, 63700), (1274, 63200), (1300, 61936), (1400, 57512), (1456, 55300), (1568, 51350), (1580, 50960), (1600, 50323), (1820, 44240), (1960, 41080), (1975, 40768), (2054, 39200), (2080, 38710), (2212, 36400), (2240, 35945), (2275, 35392), (2450, 32864), (2528, 31850), (2548, 31600), (2600, 30968), (2765, 29120), (2800, 28756), (2912, 27650), (3136, 25675), (3160, 25480), (3185, 25280), (3640, 22120), (3871, 20800), (3920, 20540), (3950, 20384), (4108, 19600), (4160, 19355), (4424, 18200), (4550, 17696), (4900, 16432), (5056, 15925), (5096, 15800), (5135, 15680), (5200, 15484), (5530, 14560), (5600, 14378), (5824, 13825), (6320, 12740), (6370, 12640), (7189, 11200), (7280, 11060), (7742, 10400), (7840, 10270), (7900, 10192), (8216, 9800), (8848, 9100)]