256898040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13297}}^1$

素因数の和:13341

約数の個数: 128

約数和(自身を含む): 919157760

約数和(自身を除く): 662259720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 13297, 19320, 26594, 39891, 53188, 66485, 79782, 93079, 106376, 132970, 159564, 186158, 199455, 265940, 279237, 305831, 319128, 372316, 398910, 465395, 531880, 558474, 611662, 744632, 797820, 917493, 930790, 1116948, 1223324, 1396185, 1529155, 1595640, 1834986, 1861580, 2140817, 2233896, 2446648, 2792370, 3058310, 3669972, 3723160, 4281634, 4587465, 5584740, 6116620, 6422451, 7339944, 8563268, 9174930, 10704085, 11169480, 12233240, 12844902, 17126536, 18349860, 21408170, 25689804, 32112255, 36699720, 42816340, 51379608, 64224510, 85632680, 128449020, 256898040]

約数ペア:

[(1, 256898040), (2, 128449020), (3, 85632680), (4, 64224510), (5, 51379608), (6, 42816340), (7, 36699720), (8, 32112255), (10, 25689804), (12, 21408170), (14, 18349860), (15, 17126536), (20, 12844902), (21, 12233240), (23, 11169480), (24, 10704085), (28, 9174930), (30, 8563268), (35, 7339944), (40, 6422451), (42, 6116620), (46, 5584740), (56, 4587465), (60, 4281634), (69, 3723160), (70, 3669972), (84, 3058310), (92, 2792370), (105, 2446648), (115, 2233896), (120, 2140817), (138, 1861580), (140, 1834986), (161, 1595640), (168, 1529155), (184, 1396185), (210, 1223324), (230, 1116948), (276, 930790), (280, 917493), (322, 797820), (345, 744632), (420, 611662), (460, 558474), (483, 531880), (552, 465395), (644, 398910), (690, 372316), (805, 319128), (840, 305831), (920, 279237), (966, 265940), (1288, 199455), (1380, 186158), (1610, 159564), (1932, 132970), (2415, 106376), (2760, 93079), (3220, 79782), (3864, 66485), (4830, 53188), (6440, 39891), (9660, 26594), (13297, 19320)]