128410380

素因数分解:

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

素因数の和:266

約数の個数: 288

約数和(自身を含む): 487226880

約数和(自身を除く): 358816500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 49, 54, 60, 63, 69, 70, 84, 90, 92, 98, 105, 108, 115, 126, 135, 138, 140, 147, 161, 180, 189, 196, 207, 210, 211, 230, 245, 252, 270, 276, 294, 315, 322, 345, 378, 414, 420, 422, 441, 460, 483, 490, 540, 588, 621, 630, 633, 644, 690, 735, 756, 805, 828, 844, 882, 945, 966, 980, 1035, 1055, 1127, 1242, 1260, 1266, 1323, 1380, 1449, 1470, 1477, 1610, 1764, 1890, 1899, 1932, 2070, 2110, 2205, 2254, 2415, 2484, 2532, 2646, 2898, 2940, 2954, 3105, 3165, 3220, 3381, 3780, 3798, 4140, 4220, 4347, 4410, 4431, 4508, 4830, 4853, 5292, 5635, 5697, 5796, 5908, 6210, 6330, 6615, 6762, 7245, 7385, 7596, 8694, 8820, 8862, 9495, 9660, 9706, 10143, 10339, 11270, 11394, 12420, 12660, 13230, 13293, 13524, 14490, 14559, 14770, 16905, 17388, 17724, 18990, 19412, 20286, 20678, 21735, 22155, 22540, 22788, 24265, 26460, 26586, 28485, 28980, 29118, 29540, 30429, 31017, 33810, 33971, 37980, 39879, 40572, 41356, 43470, 43677, 44310, 48530, 50715, 51695, 53172, 56970, 58236, 60858, 62034, 66465, 67620, 67942, 72795, 79758, 86940, 87354, 88620, 93051, 97060, 101430, 101913, 103390, 113940, 121716, 124068, 131031, 132930, 135884, 145590, 152145, 155085, 159516, 169855, 174708, 186102, 199395, 202860, 203826, 206780, 218385, 237797, 262062, 265860, 279153, 291180, 304290, 305739, 310170, 339710, 372204, 398790, 407652, 436770, 465255, 475594, 509565, 524124, 558306, 608580, 611478, 620340, 655155, 679420, 713391, 797580, 873540, 917217, 930510, 951188, 1019130, 1116612, 1188985, 1222956, 1310310, 1395765, 1426782, 1528695, 1834434, 1861020, 2038260, 2140173, 2377970, 2620620, 2791530, 2853564, 3057390, 3566955, 3668868, 4280346, 4586085, 4755940, 5583060, 6114780, 6420519, 7133910, 8560692, 9172170, 10700865, 12841038, 14267820, 18344340, 21401730, 25682076, 32102595, 42803460, 64205190, 128410380]

約数ペア:

[(1, 128410380), (2, 64205190), (3, 42803460), (4, 32102595), (5, 25682076), (6, 21401730), (7, 18344340), (9, 14267820), (10, 12841038), (12, 10700865), (14, 9172170), (15, 8560692), (18, 7133910), (20, 6420519), (21, 6114780), (23, 5583060), (27, 4755940), (28, 4586085), (30, 4280346), (35, 3668868), (36, 3566955), (42, 3057390), (45, 2853564), (46, 2791530), (49, 2620620), (54, 2377970), (60, 2140173), (63, 2038260), (69, 1861020), (70, 1834434), (84, 1528695), (90, 1426782), (92, 1395765), (98, 1310310), (105, 1222956), (108, 1188985), (115, 1116612), (126, 1019130), (135, 951188), (138, 930510), (140, 917217), (147, 873540), (161, 797580), (180, 713391), (189, 679420), (196, 655155), (207, 620340), (210, 611478), (211, 608580), (230, 558306), (245, 524124), (252, 509565), (270, 475594), (276, 465255), (294, 436770), (315, 407652), (322, 398790), (345, 372204), (378, 339710), (414, 310170), (420, 305739), (422, 304290), (441, 291180), (460, 279153), (483, 265860), (490, 262062), (540, 237797), (588, 218385), (621, 206780), (630, 203826), (633, 202860), (644, 199395), (690, 186102), (735, 174708), (756, 169855), (805, 159516), (828, 155085), (844, 152145), (882, 145590), (945, 135884), (966, 132930), (980, 131031), (1035, 124068), (1055, 121716), (1127, 113940), (1242, 103390), (1260, 101913), (1266, 101430), (1323, 97060), (1380, 93051), (1449, 88620), (1470, 87354), (1477, 86940), (1610, 79758), (1764, 72795), (1890, 67942), (1899, 67620), (1932, 66465), (2070, 62034), (2110, 60858), (2205, 58236), (2254, 56970), (2415, 53172), (2484, 51695), (2532, 50715), (2646, 48530), (2898, 44310), (2940, 43677), (2954, 43470), (3105, 41356), (3165, 40572), (3220, 39879), (3381, 37980), (3780, 33971), (3798, 33810), (4140, 31017), (4220, 30429), (4347, 29540), (4410, 29118), (4431, 28980), (4508, 28485), (4830, 26586), (4853, 26460), (5292, 24265), (5635, 22788), (5697, 22540), (5796, 22155), (5908, 21735), (6210, 20678), (6330, 20286), (6615, 19412), (6762, 18990), (7245, 17724), (7385, 17388), (7596, 16905), (8694, 14770), (8820, 14559), (8862, 14490), (9495, 13524), (9660, 13293), (9706, 13230), (10143, 12660), (10339, 12420), (11270, 11394)]