28535640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:262

約数の個数: 192

約数和(自身を含む): 104405760

約数和(自身を除く): 75870120

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, 49, 56, 60, 69, 70, 84, 92, 98, 105, 115, 120, 138, 140, 147, 161, 168, 184, 196, 210, 211, 230, 245, 276, 280, 294, 322, 345, 392, 420, 422, 460, 483, 490, 552, 588, 633, 644, 690, 735, 805, 840, 844, 920, 966, 980, 1055, 1127, 1176, 1266, 1288, 1380, 1470, 1477, 1610, 1688, 1932, 1960, 2110, 2254, 2415, 2532, 2760, 2940, 2954, 3165, 3220, 3381, 3864, 4220, 4431, 4508, 4830, 4853, 5064, 5635, 5880, 5908, 6330, 6440, 6762, 7385, 8440, 8862, 9016, 9660, 9706, 10339, 11270, 11816, 12660, 13524, 14559, 14770, 16905, 17724, 19320, 19412, 20678, 22155, 22540, 24265, 25320, 27048, 29118, 29540, 31017, 33810, 33971, 35448, 38824, 41356, 44310, 45080, 48530, 51695, 58236, 59080, 62034, 67620, 67942, 72795, 82712, 88620, 97060, 101913, 103390, 116472, 124068, 135240, 135884, 145590, 155085, 169855, 177240, 194120, 203826, 206780, 237797, 248136, 271768, 291180, 310170, 339710, 407652, 413560, 475594, 509565, 582360, 620340, 679420, 713391, 815304, 951188, 1019130, 1188985, 1240680, 1358840, 1426782, 1902376, 2038260, 2377970, 2853564, 3566955, 4076520, 4755940, 5707128, 7133910, 9511880, 14267820, 28535640]

約数ペア:

[(1, 28535640), (2, 14267820), (3, 9511880), (4, 7133910), (5, 5707128), (6, 4755940), (7, 4076520), (8, 3566955), (10, 2853564), (12, 2377970), (14, 2038260), (15, 1902376), (20, 1426782), (21, 1358840), (23, 1240680), (24, 1188985), (28, 1019130), (30, 951188), (35, 815304), (40, 713391), (42, 679420), (46, 620340), (49, 582360), (56, 509565), (60, 475594), (69, 413560), (70, 407652), (84, 339710), (92, 310170), (98, 291180), (105, 271768), (115, 248136), (120, 237797), (138, 206780), (140, 203826), (147, 194120), (161, 177240), (168, 169855), (184, 155085), (196, 145590), (210, 135884), (211, 135240), (230, 124068), (245, 116472), (276, 103390), (280, 101913), (294, 97060), (322, 88620), (345, 82712), (392, 72795), (420, 67942), (422, 67620), (460, 62034), (483, 59080), (490, 58236), (552, 51695), (588, 48530), (633, 45080), (644, 44310), (690, 41356), (735, 38824), (805, 35448), (840, 33971), (844, 33810), (920, 31017), (966, 29540), (980, 29118), (1055, 27048), (1127, 25320), (1176, 24265), (1266, 22540), (1288, 22155), (1380, 20678), (1470, 19412), (1477, 19320), (1610, 17724), (1688, 16905), (1932, 14770), (1960, 14559), (2110, 13524), (2254, 12660), (2415, 11816), (2532, 11270), (2760, 10339), (2940, 9706), (2954, 9660), (3165, 9016), (3220, 8862), (3381, 8440), (3864, 7385), (4220, 6762), (4431, 6440), (4508, 6330), (4830, 5908), (4853, 5880), (5064, 5635)]