2561447840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{547}}^1$

素因数の和:719

約数の個数: 192

約数和(自身を含む): 7178782464

約数和(自身を除く): 4617334624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 70, 74, 80, 112, 113, 140, 148, 160, 185, 224, 226, 259, 280, 296, 370, 452, 518, 547, 560, 565, 592, 740, 791, 904, 1036, 1094, 1120, 1130, 1184, 1295, 1480, 1582, 1808, 2072, 2188, 2260, 2590, 2735, 2960, 3164, 3616, 3829, 3955, 4144, 4181, 4376, 4520, 5180, 5470, 5920, 6328, 7658, 7910, 8288, 8362, 8752, 9040, 10360, 10940, 12656, 15316, 15820, 16724, 17504, 18080, 19145, 20239, 20720, 20905, 21880, 25312, 29267, 30632, 31640, 33448, 38290, 40478, 41440, 41810, 43760, 58534, 61264, 61811, 63280, 66896, 76580, 80956, 83620, 87520, 101195, 117068, 122528, 123622, 126560, 133792, 141673, 146335, 153160, 161912, 167240, 202390, 234136, 247244, 283346, 292670, 306320, 309055, 323824, 334480, 404780, 432677, 468272, 494488, 566692, 585340, 612640, 618110, 647648, 668960, 708365, 809560, 865354, 936544, 988976, 1133384, 1170680, 1236220, 1416730, 1619120, 1730708, 1977952, 2163385, 2266768, 2287007, 2341360, 2472440, 2833460, 3238240, 3461416, 4326770, 4533536, 4574014, 4682720, 4944880, 5666920, 6922832, 8653540, 9148028, 9889760, 11333840, 11435035, 13845664, 16009049, 17307080, 18296056, 22667680, 22870070, 32018098, 34614160, 36592112, 45740140, 64036196, 69228320, 73184224, 80045245, 91480280, 128072392, 160090490, 182960560, 256144784, 320180980, 365921120, 512289568, 640361960, 1280723920, 2561447840]

約数ペア:

[(1, 2561447840), (2, 1280723920), (4, 640361960), (5, 512289568), (7, 365921120), (8, 320180980), (10, 256144784), (14, 182960560), (16, 160090490), (20, 128072392), (28, 91480280), (32, 80045245), (35, 73184224), (37, 69228320), (40, 64036196), (56, 45740140), (70, 36592112), (74, 34614160), (80, 32018098), (112, 22870070), (113, 22667680), (140, 18296056), (148, 17307080), (160, 16009049), (185, 13845664), (224, 11435035), (226, 11333840), (259, 9889760), (280, 9148028), (296, 8653540), (370, 6922832), (452, 5666920), (518, 4944880), (547, 4682720), (560, 4574014), (565, 4533536), (592, 4326770), (740, 3461416), (791, 3238240), (904, 2833460), (1036, 2472440), (1094, 2341360), (1120, 2287007), (1130, 2266768), (1184, 2163385), (1295, 1977952), (1480, 1730708), (1582, 1619120), (1808, 1416730), (2072, 1236220), (2188, 1170680), (2260, 1133384), (2590, 988976), (2735, 936544), (2960, 865354), (3164, 809560), (3616, 708365), (3829, 668960), (3955, 647648), (4144, 618110), (4181, 612640), (4376, 585340), (4520, 566692), (5180, 494488), (5470, 468272), (5920, 432677), (6328, 404780), (7658, 334480), (7910, 323824), (8288, 309055), (8362, 306320), (8752, 292670), (9040, 283346), (10360, 247244), (10940, 234136), (12656, 202390), (15316, 167240), (15820, 161912), (16724, 153160), (17504, 146335), (18080, 141673), (19145, 133792), (20239, 126560), (20720, 123622), (20905, 122528), (21880, 117068), (25312, 101195), (29267, 87520), (30632, 83620), (31640, 80956), (33448, 76580), (38290, 66896), (40478, 63280), (41440, 61811), (41810, 61264), (43760, 58534)]