28940760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:358

約数の個数: 128

約数和(自身を含む): 97689600

約数和(自身を除く): 68748840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 127, 135, 180, 211, 216, 254, 270, 360, 381, 422, 508, 540, 633, 635, 762, 844, 1016, 1055, 1080, 1143, 1266, 1270, 1524, 1688, 1899, 1905, 2110, 2286, 2532, 2540, 3048, 3165, 3429, 3798, 3810, 4220, 4572, 5064, 5080, 5697, 5715, 6330, 6858, 7596, 7620, 8440, 9144, 9495, 11394, 11430, 12660, 13716, 15192, 15240, 17145, 18990, 22788, 22860, 25320, 26797, 27432, 28485, 34290, 37980, 45576, 45720, 53594, 56970, 68580, 75960, 80391, 107188, 113940, 133985, 137160, 160782, 214376, 227880, 241173, 267970, 321564, 401955, 482346, 535940, 643128, 723519, 803910, 964692, 1071880, 1205865, 1447038, 1607820, 1929384, 2411730, 2894076, 3215640, 3617595, 4823460, 5788152, 7235190, 9646920, 14470380, 28940760]

約数ペア:

[(1, 28940760), (2, 14470380), (3, 9646920), (4, 7235190), (5, 5788152), (6, 4823460), (8, 3617595), (9, 3215640), (10, 2894076), (12, 2411730), (15, 1929384), (18, 1607820), (20, 1447038), (24, 1205865), (27, 1071880), (30, 964692), (36, 803910), (40, 723519), (45, 643128), (54, 535940), (60, 482346), (72, 401955), (90, 321564), (108, 267970), (120, 241173), (127, 227880), (135, 214376), (180, 160782), (211, 137160), (216, 133985), (254, 113940), (270, 107188), (360, 80391), (381, 75960), (422, 68580), (508, 56970), (540, 53594), (633, 45720), (635, 45576), (762, 37980), (844, 34290), (1016, 28485), (1055, 27432), (1080, 26797), (1143, 25320), (1266, 22860), (1270, 22788), (1524, 18990), (1688, 17145), (1899, 15240), (1905, 15192), (2110, 13716), (2286, 12660), (2532, 11430), (2540, 11394), (3048, 9495), (3165, 9144), (3429, 8440), (3798, 7620), (3810, 7596), (4220, 6858), (4572, 6330), (5064, 5715), (5080, 5697)]