2561406400

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{883}}^1$

素因数の和:956

約数の個数: 252

約数和(自身を含む): 7538347128

約数和(自身を除く): 4976940728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 37, 40, 49, 50, 56, 64, 70, 74, 80, 98, 100, 112, 140, 148, 160, 175, 185, 196, 200, 224, 245, 259, 280, 296, 320, 350, 370, 392, 400, 448, 490, 518, 560, 592, 700, 740, 784, 800, 883, 925, 980, 1036, 1120, 1184, 1225, 1295, 1400, 1480, 1568, 1600, 1766, 1813, 1850, 1960, 2072, 2240, 2368, 2450, 2590, 2800, 2960, 3136, 3532, 3626, 3700, 3920, 4144, 4415, 4900, 5180, 5600, 5920, 6181, 6475, 7064, 7252, 7400, 7840, 8288, 8830, 9065, 9800, 10360, 11200, 11840, 12362, 12950, 14128, 14504, 14800, 15680, 16576, 17660, 18130, 19600, 20720, 22075, 24724, 25900, 28256, 29008, 29600, 30905, 32671, 35320, 36260, 39200, 41440, 43267, 44150, 45325, 49448, 51800, 56512, 58016, 59200, 61810, 65342, 70640, 72520, 78400, 82880, 86534, 88300, 90650, 98896, 103600, 116032, 123620, 130684, 141280, 145040, 154525, 163355, 173068, 176600, 181300, 197792, 207200, 216335, 228697, 247240, 261368, 282560, 290080, 309050, 326710, 346136, 353200, 362600, 395584, 414400, 432670, 457394, 494480, 522736, 580160, 618100, 653420, 692272, 706400, 725200, 816775, 865340, 914788, 988960, 1045472, 1081675, 1143485, 1236200, 1306840, 1384544, 1412800, 1450400, 1600879, 1633550, 1730680, 1829576, 1977920, 2090944, 2163350, 2286970, 2472400, 2613680, 2769088, 2900800, 3201758, 3267100, 3461360, 3659152, 4326700, 4573940, 4944800, 5227360, 5717425, 6403516, 6534200, 6922720, 7318304, 8004395, 8653400, 9147880, 9889600, 10454720, 11434850, 12807032, 13068400, 13845440, 14636608, 16008790, 17306800, 18295760, 22869700, 25614064, 26136800, 32017580, 34613600, 36591520, 40021975, 45739400, 51228128, 52273600, 64035160, 69227200, 73183040, 80043950, 91478800, 102456256, 128070320, 160087900, 182957600, 256140640, 320175800, 365915200, 512281280, 640351600, 1280703200, 2561406400]

約数ペア:

[(1, 2561406400), (2, 1280703200), (4, 640351600), (5, 512281280), (7, 365915200), (8, 320175800), (10, 256140640), (14, 182957600), (16, 160087900), (20, 128070320), (25, 102456256), (28, 91478800), (32, 80043950), (35, 73183040), (37, 69227200), (40, 64035160), (49, 52273600), (50, 51228128), (56, 45739400), (64, 40021975), (70, 36591520), (74, 34613600), (80, 32017580), (98, 26136800), (100, 25614064), (112, 22869700), (140, 18295760), (148, 17306800), (160, 16008790), (175, 14636608), (185, 13845440), (196, 13068400), (200, 12807032), (224, 11434850), (245, 10454720), (259, 9889600), (280, 9147880), (296, 8653400), (320, 8004395), (350, 7318304), (370, 6922720), (392, 6534200), (400, 6403516), (448, 5717425), (490, 5227360), (518, 4944800), (560, 4573940), (592, 4326700), (700, 3659152), (740, 3461360), (784, 3267100), (800, 3201758), (883, 2900800), (925, 2769088), (980, 2613680), (1036, 2472400), (1120, 2286970), (1184, 2163350), (1225, 2090944), (1295, 1977920), (1400, 1829576), (1480, 1730680), (1568, 1633550), (1600, 1600879), (1766, 1450400), (1813, 1412800), (1850, 1384544), (1960, 1306840), (2072, 1236200), (2240, 1143485), (2368, 1081675), (2450, 1045472), (2590, 988960), (2800, 914788), (2960, 865340), (3136, 816775), (3532, 725200), (3626, 706400), (3700, 692272), (3920, 653420), (4144, 618100), (4415, 580160), (4900, 522736), (5180, 494480), (5600, 457394), (5920, 432670), (6181, 414400), (6475, 395584), (7064, 362600), (7252, 353200), (7400, 346136), (7840, 326710), (8288, 309050), (8830, 290080), (9065, 282560), (9800, 261368), (10360, 247240), (11200, 228697), (11840, 216335), (12362, 207200), (12950, 197792), (14128, 181300), (14504, 176600), (14800, 173068), (15680, 163355), (16576, 154525), (17660, 145040), (18130, 141280), (19600, 130684), (20720, 123620), (22075, 116032), (24724, 103600), (25900, 98896), (28256, 90650), (29008, 88300), (29600, 86534), (30905, 82880), (32671, 78400), (35320, 72520), (36260, 70640), (39200, 65342), (41440, 61810), (43267, 59200), (44150, 58016), (45325, 56512), (49448, 51800)]