256714320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2963}}^1$

素因数の和:3017

約数の個数: 120

約数和(自身を含む): 840187296

約数和(自身を除く): 583472976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 361, 380, 456, 570, 722, 760, 912, 1083, 1140, 1444, 1520, 1805, 2166, 2280, 2888, 2963, 3610, 4332, 4560, 5415, 5776, 5926, 7220, 8664, 8889, 10830, 11852, 14440, 14815, 17328, 17778, 21660, 23704, 28880, 29630, 35556, 43320, 44445, 47408, 56297, 59260, 71112, 86640, 88890, 112594, 118520, 142224, 168891, 177780, 225188, 237040, 281485, 337782, 355560, 450376, 562970, 675564, 711120, 844455, 900752, 1069643, 1125940, 1351128, 1688910, 2139286, 2251880, 2702256, 3208929, 3377820, 4278572, 4503760, 5348215, 6417858, 6755640, 8557144, 10696430, 12835716, 13511280, 16044645, 17114288, 21392860, 25671432, 32089290, 42785720, 51342864, 64178580, 85571440, 128357160, 256714320]

約数ペア:

[(1, 256714320), (2, 128357160), (3, 85571440), (4, 64178580), (5, 51342864), (6, 42785720), (8, 32089290), (10, 25671432), (12, 21392860), (15, 17114288), (16, 16044645), (19, 13511280), (20, 12835716), (24, 10696430), (30, 8557144), (38, 6755640), (40, 6417858), (48, 5348215), (57, 4503760), (60, 4278572), (76, 3377820), (80, 3208929), (95, 2702256), (114, 2251880), (120, 2139286), (152, 1688910), (190, 1351128), (228, 1125940), (240, 1069643), (285, 900752), (304, 844455), (361, 711120), (380, 675564), (456, 562970), (570, 450376), (722, 355560), (760, 337782), (912, 281485), (1083, 237040), (1140, 225188), (1444, 177780), (1520, 168891), (1805, 142224), (2166, 118520), (2280, 112594), (2888, 88890), (2963, 86640), (3610, 71112), (4332, 59260), (4560, 56297), (5415, 47408), (5776, 44445), (5926, 43320), (7220, 35556), (8664, 29630), (8889, 28880), (10830, 23704), (11852, 21660), (14440, 17778), (14815, 17328)]