345681280

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:257

約数の個数: 192

約数和(自身を含む): 980938080

約数和(自身を除く): 635256800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 73, 80, 98, 112, 128, 140, 146, 151, 160, 196, 224, 245, 280, 292, 302, 320, 365, 392, 448, 490, 511, 560, 584, 604, 640, 730, 755, 784, 896, 980, 1022, 1057, 1120, 1168, 1208, 1460, 1510, 1568, 1960, 2044, 2114, 2240, 2336, 2416, 2555, 2920, 3020, 3136, 3577, 3920, 4088, 4228, 4480, 4672, 4832, 5110, 5285, 5840, 6040, 6272, 7154, 7399, 7840, 8176, 8456, 9344, 9664, 10220, 10570, 11023, 11680, 12080, 14308, 14798, 15680, 16352, 16912, 17885, 19328, 20440, 21140, 22046, 23360, 24160, 28616, 29596, 31360, 32704, 33824, 35770, 36995, 40880, 42280, 44092, 46720, 48320, 55115, 57232, 59192, 65408, 67648, 71540, 73990, 77161, 81760, 84560, 88184, 96640, 110230, 114464, 118384, 135296, 143080, 147980, 154322, 163520, 169120, 176368, 220460, 228928, 236768, 286160, 295960, 308644, 327040, 338240, 352736, 385805, 440920, 457856, 473536, 540127, 572320, 591920, 617288, 676480, 705472, 771610, 881840, 947072, 1080254, 1144640, 1183840, 1234576, 1410944, 1543220, 1763680, 2160508, 2289280, 2367680, 2469152, 2700635, 3086440, 3527360, 4321016, 4735360, 4938304, 5401270, 6172880, 7054720, 8642032, 9876608, 10802540, 12345760, 17284064, 21605080, 24691520, 34568128, 43210160, 49383040, 69136256, 86420320, 172840640, 345681280]

約数ペア:

[(1, 345681280), (2, 172840640), (4, 86420320), (5, 69136256), (7, 49383040), (8, 43210160), (10, 34568128), (14, 24691520), (16, 21605080), (20, 17284064), (28, 12345760), (32, 10802540), (35, 9876608), (40, 8642032), (49, 7054720), (56, 6172880), (64, 5401270), (70, 4938304), (73, 4735360), (80, 4321016), (98, 3527360), (112, 3086440), (128, 2700635), (140, 2469152), (146, 2367680), (151, 2289280), (160, 2160508), (196, 1763680), (224, 1543220), (245, 1410944), (280, 1234576), (292, 1183840), (302, 1144640), (320, 1080254), (365, 947072), (392, 881840), (448, 771610), (490, 705472), (511, 676480), (560, 617288), (584, 591920), (604, 572320), (640, 540127), (730, 473536), (755, 457856), (784, 440920), (896, 385805), (980, 352736), (1022, 338240), (1057, 327040), (1120, 308644), (1168, 295960), (1208, 286160), (1460, 236768), (1510, 228928), (1568, 220460), (1960, 176368), (2044, 169120), (2114, 163520), (2240, 154322), (2336, 147980), (2416, 143080), (2555, 135296), (2920, 118384), (3020, 114464), (3136, 110230), (3577, 96640), (3920, 88184), (4088, 84560), (4228, 81760), (4480, 77161), (4672, 73990), (4832, 71540), (5110, 67648), (5285, 65408), (5840, 59192), (6040, 57232), (6272, 55115), (7154, 48320), (7399, 46720), (7840, 44092), (8176, 42280), (8456, 40880), (9344, 36995), (9664, 35770), (10220, 33824), (10570, 32704), (11023, 31360), (11680, 29596), (12080, 28616), (14308, 24160), (14798, 23360), (15680, 22046), (16352, 21140), (16912, 20440), (17885, 19328)]