77657760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:491

約数の個数: 144

約数和(自身を含む): 267321600

約数和(自身を除く): 189663840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 199, 240, 271, 288, 360, 398, 480, 542, 597, 720, 796, 813, 995, 1084, 1194, 1355, 1440, 1592, 1626, 1791, 1990, 2168, 2388, 2439, 2710, 2985, 3184, 3252, 3582, 3980, 4065, 4336, 4776, 4878, 5420, 5970, 6368, 6504, 7164, 7960, 8130, 8672, 8955, 9552, 9756, 10840, 11940, 12195, 13008, 14328, 15920, 16260, 17910, 19104, 19512, 21680, 23880, 24390, 26016, 28656, 31840, 32520, 35820, 39024, 43360, 47760, 48780, 53929, 57312, 65040, 71640, 78048, 95520, 97560, 107858, 130080, 143280, 161787, 195120, 215716, 269645, 286560, 323574, 390240, 431432, 485361, 539290, 647148, 808935, 862864, 970722, 1078580, 1294296, 1617870, 1725728, 1941444, 2157160, 2426805, 2588592, 3235740, 3882888, 4314320, 4853610, 5177184, 6471480, 7765776, 8628640, 9707220, 12942960, 15531552, 19414440, 25885920, 38828880, 77657760]

約数ペア:

[(1, 77657760), (2, 38828880), (3, 25885920), (4, 19414440), (5, 15531552), (6, 12942960), (8, 9707220), (9, 8628640), (10, 7765776), (12, 6471480), (15, 5177184), (16, 4853610), (18, 4314320), (20, 3882888), (24, 3235740), (30, 2588592), (32, 2426805), (36, 2157160), (40, 1941444), (45, 1725728), (48, 1617870), (60, 1294296), (72, 1078580), (80, 970722), (90, 862864), (96, 808935), (120, 647148), (144, 539290), (160, 485361), (180, 431432), (199, 390240), (240, 323574), (271, 286560), (288, 269645), (360, 215716), (398, 195120), (480, 161787), (542, 143280), (597, 130080), (720, 107858), (796, 97560), (813, 95520), (995, 78048), (1084, 71640), (1194, 65040), (1355, 57312), (1440, 53929), (1592, 48780), (1626, 47760), (1791, 43360), (1990, 39024), (2168, 35820), (2388, 32520), (2439, 31840), (2710, 28656), (2985, 26016), (3184, 24390), (3252, 23880), (3582, 21680), (3980, 19512), (4065, 19104), (4336, 17910), (4776, 16260), (4878, 15920), (5420, 14328), (5970, 13008), (6368, 12195), (6504, 11940), (7164, 10840), (7960, 9756), (8130, 9552), (8672, 8955)]