28278840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 91008000

約数和(自身を除く): 62729160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 79, 95, 114, 120, 152, 157, 158, 190, 228, 237, 285, 314, 316, 380, 395, 456, 471, 474, 570, 628, 632, 760, 785, 790, 942, 948, 1140, 1185, 1256, 1501, 1570, 1580, 1884, 1896, 2280, 2355, 2370, 2983, 3002, 3140, 3160, 3768, 4503, 4710, 4740, 5966, 6004, 6280, 7505, 8949, 9006, 9420, 9480, 11932, 12008, 12403, 14915, 15010, 17898, 18012, 18840, 22515, 23864, 24806, 29830, 30020, 35796, 36024, 37209, 44745, 45030, 49612, 59660, 60040, 62015, 71592, 74418, 89490, 90060, 99224, 119320, 124030, 148836, 178980, 180120, 186045, 235657, 248060, 297672, 357960, 372090, 471314, 496120, 706971, 744180, 942628, 1178285, 1413942, 1488360, 1885256, 2356570, 2827884, 3534855, 4713140, 5655768, 7069710, 9426280, 14139420, 28278840]

約数ペア:

[(1, 28278840), (2, 14139420), (3, 9426280), (4, 7069710), (5, 5655768), (6, 4713140), (8, 3534855), (10, 2827884), (12, 2356570), (15, 1885256), (19, 1488360), (20, 1413942), (24, 1178285), (30, 942628), (38, 744180), (40, 706971), (57, 496120), (60, 471314), (76, 372090), (79, 357960), (95, 297672), (114, 248060), (120, 235657), (152, 186045), (157, 180120), (158, 178980), (190, 148836), (228, 124030), (237, 119320), (285, 99224), (314, 90060), (316, 89490), (380, 74418), (395, 71592), (456, 62015), (471, 60040), (474, 59660), (570, 49612), (628, 45030), (632, 44745), (760, 37209), (785, 36024), (790, 35796), (942, 30020), (948, 29830), (1140, 24806), (1185, 23864), (1256, 22515), (1501, 18840), (1570, 18012), (1580, 17898), (1884, 15010), (1896, 14915), (2280, 12403), (2355, 12008), (2370, 11932), (2983, 9480), (3002, 9420), (3140, 9006), (3160, 8949), (3768, 7505), (4503, 6280), (4710, 6004), (4740, 5966)]