87440640

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{3253}}^1$

素因数の和:3284

約数の個数: 144

約数和(自身を含む): 319256448

約数和(自身を除く): 231815808

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, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3253, 3360, 3840, 4480, 5376, 6506, 6720, 8960, 9759, 13012, 13440, 16265, 19518, 22771, 26024, 26880, 32530, 39036, 45542, 48795, 52048, 65060, 68313, 78072, 91084, 97590, 104096, 113855, 130120, 136626, 156144, 182168, 195180, 208192, 227710, 260240, 273252, 312288, 341565, 364336, 390360, 416384, 455420, 520480, 546504, 624576, 683130, 728672, 780720, 832768, 910840, 1040960, 1093008, 1249152, 1366260, 1457344, 1561440, 1821680, 2081920, 2186016, 2498304, 2732520, 2914688, 3122880, 3643360, 4163840, 4372032, 5465040, 5829376, 6245760, 7286720, 8744064, 10930080, 12491520, 14573440, 17488128, 21860160, 29146880, 43720320, 87440640]

約数ペア:

[(1, 87440640), (2, 43720320), (3, 29146880), (4, 21860160), (5, 17488128), (6, 14573440), (7, 12491520), (8, 10930080), (10, 8744064), (12, 7286720), (14, 6245760), (15, 5829376), (16, 5465040), (20, 4372032), (21, 4163840), (24, 3643360), (28, 3122880), (30, 2914688), (32, 2732520), (35, 2498304), (40, 2186016), (42, 2081920), (48, 1821680), (56, 1561440), (60, 1457344), (64, 1366260), (70, 1249152), (80, 1093008), (84, 1040960), (96, 910840), (105, 832768), (112, 780720), (120, 728672), (128, 683130), (140, 624576), (160, 546504), (168, 520480), (192, 455420), (210, 416384), (224, 390360), (240, 364336), (256, 341565), (280, 312288), (320, 273252), (336, 260240), (384, 227710), (420, 208192), (448, 195180), (480, 182168), (560, 156144), (640, 136626), (672, 130120), (768, 113855), (840, 104096), (896, 97590), (960, 91084), (1120, 78072), (1280, 68313), (1344, 65060), (1680, 52048), (1792, 48795), (1920, 45542), (2240, 39036), (2688, 32530), (3253, 26880), (3360, 26024), (3840, 22771), (4480, 19518), (5376, 16265), (6506, 13440), (6720, 13012), (8960, 9759)]