20578278240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{84559}}^1$

素因数の和:84606

約数の個数: 216

約数和(自身を含む): 76041594720

約数和(自身を除く): 55463316480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 169, 180, 195, 208, 234, 240, 260, 288, 312, 338, 360, 390, 416, 468, 480, 507, 520, 585, 624, 676, 720, 780, 845, 936, 1014, 1040, 1170, 1248, 1352, 1440, 1521, 1560, 1690, 1872, 2028, 2080, 2340, 2535, 2704, 3042, 3120, 3380, 3744, 4056, 4680, 5070, 5408, 6084, 6240, 6760, 7605, 8112, 9360, 10140, 12168, 13520, 15210, 16224, 18720, 20280, 24336, 27040, 30420, 40560, 48672, 60840, 81120, 84559, 121680, 169118, 243360, 253677, 338236, 422795, 507354, 676472, 761031, 845590, 1014708, 1099267, 1268385, 1352944, 1522062, 1691180, 2029416, 2198534, 2536770, 2705888, 3044124, 3297801, 3382360, 3805155, 4058832, 4397068, 5073540, 5496335, 6088248, 6595602, 6764720, 7610310, 8117664, 8794136, 9893403, 10147080, 10992670, 12176496, 13191204, 13529440, 14290471, 15220620, 16489005, 17588272, 19786806, 20294160, 21985340, 24352992, 26382408, 28580942, 30441240, 32978010, 35176544, 39573612, 40588320, 42871413, 43970680, 49467015, 52764816, 57161884, 60882480, 65956020, 71452355, 79147224, 85742826, 87941360, 98934030, 105529632, 114323768, 121764960, 128614239, 131912040, 142904710, 158294448, 171485652, 175882720, 197868060, 214357065, 228647536, 257228478, 263824080, 285809420, 316588896, 342971304, 395736120, 428714130, 457295072, 514456956, 527648160, 571618840, 643071195, 685942608, 791472240, 857428260, 1028913912, 1143237680, 1286142390, 1371885216, 1582944480, 1714856520, 2057827824, 2286475360, 2572284780, 3429713040, 4115655648, 5144569560, 6859426080, 10289139120, 20578278240]

約数ペア:

[(1, 20578278240), (2, 10289139120), (3, 6859426080), (4, 5144569560), (5, 4115655648), (6, 3429713040), (8, 2572284780), (9, 2286475360), (10, 2057827824), (12, 1714856520), (13, 1582944480), (15, 1371885216), (16, 1286142390), (18, 1143237680), (20, 1028913912), (24, 857428260), (26, 791472240), (30, 685942608), (32, 643071195), (36, 571618840), (39, 527648160), (40, 514456956), (45, 457295072), (48, 428714130), (52, 395736120), (60, 342971304), (65, 316588896), (72, 285809420), (78, 263824080), (80, 257228478), (90, 228647536), (96, 214357065), (104, 197868060), (117, 175882720), (120, 171485652), (130, 158294448), (144, 142904710), (156, 131912040), (160, 128614239), (169, 121764960), (180, 114323768), (195, 105529632), (208, 98934030), (234, 87941360), (240, 85742826), (260, 79147224), (288, 71452355), (312, 65956020), (338, 60882480), (360, 57161884), (390, 52764816), (416, 49467015), (468, 43970680), (480, 42871413), (507, 40588320), (520, 39573612), (585, 35176544), (624, 32978010), (676, 30441240), (720, 28580942), (780, 26382408), (845, 24352992), (936, 21985340), (1014, 20294160), (1040, 19786806), (1170, 17588272), (1248, 16489005), (1352, 15220620), (1440, 14290471), (1521, 13529440), (1560, 13191204), (1690, 12176496), (1872, 10992670), (2028, 10147080), (2080, 9893403), (2340, 8794136), (2535, 8117664), (2704, 7610310), (3042, 6764720), (3120, 6595602), (3380, 6088248), (3744, 5496335), (4056, 5073540), (4680, 4397068), (5070, 4058832), (5408, 3805155), (6084, 3382360), (6240, 3297801), (6760, 3044124), (7605, 2705888), (8112, 2536770), (9360, 2198534), (10140, 2029416), (12168, 1691180), (13520, 1522062), (15210, 1352944), (16224, 1268385), (18720, 1099267), (20280, 1014708), (24336, 845590), (27040, 761031), (30420, 676472), (40560, 507354), (48672, 422795), (60840, 338236), (81120, 253677), (84559, 243360), (121680, 169118)]