256307520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:957

約数の個数: 224

約数和(自身を含む): 952731648

約数和(自身を除く): 696424128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 43, 48, 56, 60, 64, 70, 80, 84, 86, 96, 105, 112, 120, 129, 140, 160, 168, 172, 192, 210, 215, 224, 240, 258, 280, 301, 320, 336, 344, 420, 430, 448, 480, 516, 560, 602, 645, 672, 688, 840, 860, 887, 903, 960, 1032, 1120, 1204, 1290, 1344, 1376, 1505, 1680, 1720, 1774, 1806, 2064, 2240, 2408, 2580, 2661, 2752, 3010, 3360, 3440, 3548, 3612, 4128, 4435, 4515, 4816, 5160, 5322, 6020, 6209, 6720, 6880, 7096, 7224, 8256, 8870, 9030, 9632, 10320, 10644, 12040, 12418, 13305, 13760, 14192, 14448, 17740, 18060, 18627, 19264, 20640, 21288, 24080, 24836, 26610, 28384, 28896, 31045, 35480, 36120, 37254, 38141, 41280, 42576, 48160, 49672, 53220, 56768, 57792, 62090, 70960, 72240, 74508, 76282, 85152, 93135, 96320, 99344, 106440, 114423, 124180, 141920, 144480, 149016, 152564, 170304, 186270, 190705, 198688, 212880, 228846, 248360, 266987, 283840, 288960, 298032, 305128, 372540, 381410, 397376, 425760, 457692, 496720, 533974, 572115, 596064, 610256, 745080, 762820, 800961, 851520, 915384, 993440, 1067948, 1144230, 1192128, 1220512, 1334935, 1490160, 1525640, 1601922, 1830768, 1986880, 2135896, 2288460, 2441024, 2669870, 2980320, 3051280, 3203844, 3661536, 4004805, 4271792, 4576920, 5339740, 5960640, 6102560, 6407688, 7323072, 8009610, 8543584, 9153840, 10679480, 12205120, 12815376, 16019220, 17087168, 18307680, 21358960, 25630752, 32038440, 36615360, 42717920, 51261504, 64076880, 85435840, 128153760, 256307520]

約数ペア:

[(1, 256307520), (2, 128153760), (3, 85435840), (4, 64076880), (5, 51261504), (6, 42717920), (7, 36615360), (8, 32038440), (10, 25630752), (12, 21358960), (14, 18307680), (15, 17087168), (16, 16019220), (20, 12815376), (21, 12205120), (24, 10679480), (28, 9153840), (30, 8543584), (32, 8009610), (35, 7323072), (40, 6407688), (42, 6102560), (43, 5960640), (48, 5339740), (56, 4576920), (60, 4271792), (64, 4004805), (70, 3661536), (80, 3203844), (84, 3051280), (86, 2980320), (96, 2669870), (105, 2441024), (112, 2288460), (120, 2135896), (129, 1986880), (140, 1830768), (160, 1601922), (168, 1525640), (172, 1490160), (192, 1334935), (210, 1220512), (215, 1192128), (224, 1144230), (240, 1067948), (258, 993440), (280, 915384), (301, 851520), (320, 800961), (336, 762820), (344, 745080), (420, 610256), (430, 596064), (448, 572115), (480, 533974), (516, 496720), (560, 457692), (602, 425760), (645, 397376), (672, 381410), (688, 372540), (840, 305128), (860, 298032), (887, 288960), (903, 283840), (960, 266987), (1032, 248360), (1120, 228846), (1204, 212880), (1290, 198688), (1344, 190705), (1376, 186270), (1505, 170304), (1680, 152564), (1720, 149016), (1774, 144480), (1806, 141920), (2064, 124180), (2240, 114423), (2408, 106440), (2580, 99344), (2661, 96320), (2752, 93135), (3010, 85152), (3360, 76282), (3440, 74508), (3548, 72240), (3612, 70960), (4128, 62090), (4435, 57792), (4515, 56768), (4816, 53220), (5160, 49672), (5322, 48160), (6020, 42576), (6209, 41280), (6720, 38141), (6880, 37254), (7096, 36120), (7224, 35480), (8256, 31045), (8870, 28896), (9030, 28384), (9632, 26610), (10320, 24836), (10644, 24080), (12040, 21288), (12418, 20640), (13305, 19264), (13760, 18627), (14192, 18060), (14448, 17740)]