838145280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{31181}}^1$

素因数の和:31212

約数の個数: 144

約数和(自身を含む): 3059328384

約数和(自身を除く): 2221183104

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, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 26880, 31181, 62362, 93543, 124724, 155905, 187086, 218267, 249448, 311810, 374172, 436534, 467715, 498896, 623620, 654801, 748344, 873068, 935430, 997792, 1091335, 1247240, 1309602, 1496688, 1746136, 1870860, 1995584, 2182670, 2494480, 2619204, 2993376, 3274005, 3492272, 3741720, 3991168, 4365340, 4988960, 5238408, 5986752, 6548010, 6984544, 7483440, 7982336, 8730680, 9977920, 10476816, 11973504, 13096020, 13969088, 14966880, 17461360, 19955840, 20953632, 23947008, 26192040, 27938176, 29933760, 34922720, 39911680, 41907264, 52384080, 55876352, 59867520, 69845440, 83814528, 104768160, 119735040, 139690880, 167629056, 209536320, 279381760, 419072640, 838145280]

約数ペア:

[(1, 838145280), (2, 419072640), (3, 279381760), (4, 209536320), (5, 167629056), (6, 139690880), (7, 119735040), (8, 104768160), (10, 83814528), (12, 69845440), (14, 59867520), (15, 55876352), (16, 52384080), (20, 41907264), (21, 39911680), (24, 34922720), (28, 29933760), (30, 27938176), (32, 26192040), (35, 23947008), (40, 20953632), (42, 19955840), (48, 17461360), (56, 14966880), (60, 13969088), (64, 13096020), (70, 11973504), (80, 10476816), (84, 9977920), (96, 8730680), (105, 7982336), (112, 7483440), (120, 6984544), (128, 6548010), (140, 5986752), (160, 5238408), (168, 4988960), (192, 4365340), (210, 3991168), (224, 3741720), (240, 3492272), (256, 3274005), (280, 2993376), (320, 2619204), (336, 2494480), (384, 2182670), (420, 1995584), (448, 1870860), (480, 1746136), (560, 1496688), (640, 1309602), (672, 1247240), (768, 1091335), (840, 997792), (896, 935430), (960, 873068), (1120, 748344), (1280, 654801), (1344, 623620), (1680, 498896), (1792, 467715), (1920, 436534), (2240, 374172), (2688, 311810), (3360, 249448), (3840, 218267), (4480, 187086), (5376, 155905), (6720, 124724), (8960, 93543), (13440, 62362), (26880, 31181)]