86420320

素因数分解:

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

素因数の和:253

約数の個数: 144

約数和(自身を含む): 242349408

約数和(自身を除く): 155929088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 151, 160, 196, 224, 245, 280, 292, 302, 365, 392, 490, 511, 560, 584, 604, 730, 755, 784, 980, 1022, 1057, 1120, 1168, 1208, 1460, 1510, 1568, 1960, 2044, 2114, 2336, 2416, 2555, 2920, 3020, 3577, 3920, 4088, 4228, 4832, 5110, 5285, 5840, 6040, 7154, 7399, 7840, 8176, 8456, 10220, 10570, 11023, 11680, 12080, 14308, 14798, 16352, 16912, 17885, 20440, 21140, 22046, 24160, 28616, 29596, 33824, 35770, 36995, 40880, 42280, 44092, 55115, 57232, 59192, 71540, 73990, 77161, 81760, 84560, 88184, 110230, 114464, 118384, 143080, 147980, 154322, 169120, 176368, 220460, 236768, 286160, 295960, 308644, 352736, 385805, 440920, 540127, 572320, 591920, 617288, 771610, 881840, 1080254, 1183840, 1234576, 1543220, 1763680, 2160508, 2469152, 2700635, 3086440, 4321016, 5401270, 6172880, 8642032, 10802540, 12345760, 17284064, 21605080, 43210160, 86420320]

約数ペア:

[(1, 86420320), (2, 43210160), (4, 21605080), (5, 17284064), (7, 12345760), (8, 10802540), (10, 8642032), (14, 6172880), (16, 5401270), (20, 4321016), (28, 3086440), (32, 2700635), (35, 2469152), (40, 2160508), (49, 1763680), (56, 1543220), (70, 1234576), (73, 1183840), (80, 1080254), (98, 881840), (112, 771610), (140, 617288), (146, 591920), (151, 572320), (160, 540127), (196, 440920), (224, 385805), (245, 352736), (280, 308644), (292, 295960), (302, 286160), (365, 236768), (392, 220460), (490, 176368), (511, 169120), (560, 154322), (584, 147980), (604, 143080), (730, 118384), (755, 114464), (784, 110230), (980, 88184), (1022, 84560), (1057, 81760), (1120, 77161), (1168, 73990), (1208, 71540), (1460, 59192), (1510, 57232), (1568, 55115), (1960, 44092), (2044, 42280), (2114, 40880), (2336, 36995), (2416, 35770), (2555, 33824), (2920, 29596), (3020, 28616), (3577, 24160), (3920, 22046), (4088, 21140), (4228, 20440), (4832, 17885), (5110, 16912), (5285, 16352), (5840, 14798), (6040, 14308), (7154, 12080), (7399, 11680), (7840, 11023), (8176, 10570), (8456, 10220)]