81337864.000000000

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{773}}^1$

素因数の和:963

約数の個数: 128

約数和(自身を含む): 880502400

約数和(自身を除く): 603799320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 157, 190, 228, 285, 314, 380, 456, 471, 570, 628, 760, 773, 785, 942, 1140, 1256, 1546, 1570, 1884, 2280, 2319, 2355, 2983, 3092, 3140, 3768, 3865, 4638, 4710, 5966, 6184, 6280, 7730, 8949, 9276, 9420, 11595, 11932, 14687, 14915, 15460, 17898, 18552, 18840, 23190, 23864, 29374, 29830, 30920, 35796, 44061, 44745, 46380, 58748, 59660, 71592, 73435, 88122, 89490, 92760, 117496, 119320, 121361, 146870, 176244, 178980, 220305, 242722, 293740, 352488, 357960, 364083, 440610, 485444, 587480, 606805, 728166, 881220, 970888, 1213610, 1456332, 1762440, 1820415, 2305859, 2427220, 2912664, 3640830, 4611718, 4854440, 6917577, 7281660, 9223436, 11529295, 13835154, 14563320, 18446872, 23058590, 27670308, 34587885, 46117180, 55340616, 69175770, 92234360, 138351540, 276703080]

約数ペア:

[(1, 276703080), (2, 138351540), (3, 92234360), (4, 69175770), (5, 55340616), (6, 46117180), (8, 34587885), (10, 27670308), (12, 23058590), (15, 18446872), (19, 14563320), (20, 13835154), (24, 11529295), (30, 9223436), (38, 7281660), (40, 6917577), (57, 4854440), (60, 4611718), (76, 3640830), (95, 2912664), (114, 2427220), (120, 2305859), (152, 1820415), (157, 1762440), (190, 1456332), (228, 1213610), (285, 970888), (314, 881220), (380, 728166), (456, 606805), (471, 587480), (570, 485444), (628, 440610), (760, 364083), (773, 357960), (785, 352488), (942, 293740), (1140, 242722), (1256, 220305), (1546, 178980), (1570, 176244), (1884, 146870), (2280, 121361), (2319, 119320), (2355, 117496), (2983, 92760), (3092, 89490), (3140, 88122), (3768, 73435), (3865, 71592), (4638, 59660), (4710, 58748), (5966, 46380), (6184, 44745), (6280, 44061), (7730, 35796), (8949, 30920), (9276, 29830), (9420, 29374), (11595, 23864), (11932, 23190), (14687, 18840), (14915, 18552), (15460, 17898)]