26699520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:450

約数の個数: 144

約数和(自身を含む): 90508320

約数和(自身を除く): 63808800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 409, 480, 510, 544, 640, 680, 768, 816, 818, 960, 1020, 1088, 1227, 1280, 1360, 1632, 1636, 1920, 2040, 2045, 2176, 2454, 2720, 3264, 3272, 3840, 4080, 4090, 4352, 4908, 5440, 6135, 6528, 6544, 6953, 8160, 8180, 9816, 10880, 12270, 13056, 13088, 13906, 16320, 16360, 19632, 20859, 21760, 24540, 26176, 27812, 32640, 32720, 34765, 39264, 41718, 49080, 52352, 55624, 65280, 65440, 69530, 78528, 83436, 98160, 104295, 104704, 111248, 130880, 139060, 157056, 166872, 196320, 208590, 222496, 261760, 278120, 314112, 333744, 392640, 417180, 444992, 523520, 556240, 667488, 785280, 834360, 889984, 1112480, 1334976, 1570560, 1668720, 1779968, 2224960, 2669952, 3337440, 4449920, 5339904, 6674880, 8899840, 13349760, 26699520]

約数ペア:

[(1, 26699520), (2, 13349760), (3, 8899840), (4, 6674880), (5, 5339904), (6, 4449920), (8, 3337440), (10, 2669952), (12, 2224960), (15, 1779968), (16, 1668720), (17, 1570560), (20, 1334976), (24, 1112480), (30, 889984), (32, 834360), (34, 785280), (40, 667488), (48, 556240), (51, 523520), (60, 444992), (64, 417180), (68, 392640), (80, 333744), (85, 314112), (96, 278120), (102, 261760), (120, 222496), (128, 208590), (136, 196320), (160, 166872), (170, 157056), (192, 139060), (204, 130880), (240, 111248), (255, 104704), (256, 104295), (272, 98160), (320, 83436), (340, 78528), (384, 69530), (408, 65440), (409, 65280), (480, 55624), (510, 52352), (544, 49080), (640, 41718), (680, 39264), (768, 34765), (816, 32720), (818, 32640), (960, 27812), (1020, 26176), (1088, 24540), (1227, 21760), (1280, 20859), (1360, 19632), (1632, 16360), (1636, 16320), (1920, 13906), (2040, 13088), (2045, 13056), (2176, 12270), (2454, 10880), (2720, 9816), (3264, 8180), (3272, 8160), (3840, 6953), (4080, 6544), (4090, 6528), (4352, 6135), (4908, 5440)]