204972320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 192

約数和(自身を含む): 590768640

約数和(自身を除く): 385796320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 73, 80, 92, 109, 112, 115, 140, 146, 160, 161, 184, 218, 224, 230, 280, 292, 322, 365, 368, 436, 460, 511, 545, 560, 584, 644, 730, 736, 763, 805, 872, 920, 1022, 1090, 1120, 1168, 1288, 1460, 1526, 1610, 1679, 1744, 1840, 2044, 2180, 2336, 2507, 2555, 2576, 2920, 3052, 3220, 3358, 3488, 3680, 3815, 4088, 4360, 5014, 5110, 5152, 5840, 6104, 6440, 6716, 7630, 7957, 8176, 8395, 8720, 10028, 10220, 11680, 11753, 12208, 12535, 12880, 13432, 15260, 15914, 16352, 16790, 17440, 17549, 20056, 20440, 23506, 24416, 25070, 25760, 26864, 30520, 31828, 33580, 35098, 39785, 40112, 40880, 47012, 50140, 53728, 55699, 58765, 61040, 63656, 67160, 70196, 79570, 80224, 81760, 87745, 94024, 100280, 111398, 117530, 122080, 127312, 134320, 140392, 159140, 175490, 183011, 188048, 200560, 222796, 235060, 254624, 268640, 278495, 280784, 318280, 350980, 366022, 376096, 401120, 445592, 470120, 556990, 561568, 636560, 701960, 732044, 891184, 915055, 940240, 1113980, 1273120, 1281077, 1403920, 1464088, 1782368, 1830110, 1880480, 2227960, 2562154, 2807840, 2928176, 3660220, 4455920, 5124308, 5856352, 6405385, 7320440, 8911840, 10248616, 12810770, 14640880, 20497232, 25621540, 29281760, 40994464, 51243080, 102486160, 204972320]

約数ペア:

[(1, 204972320), (2, 102486160), (4, 51243080), (5, 40994464), (7, 29281760), (8, 25621540), (10, 20497232), (14, 14640880), (16, 12810770), (20, 10248616), (23, 8911840), (28, 7320440), (32, 6405385), (35, 5856352), (40, 5124308), (46, 4455920), (56, 3660220), (70, 2928176), (73, 2807840), (80, 2562154), (92, 2227960), (109, 1880480), (112, 1830110), (115, 1782368), (140, 1464088), (146, 1403920), (160, 1281077), (161, 1273120), (184, 1113980), (218, 940240), (224, 915055), (230, 891184), (280, 732044), (292, 701960), (322, 636560), (365, 561568), (368, 556990), (436, 470120), (460, 445592), (511, 401120), (545, 376096), (560, 366022), (584, 350980), (644, 318280), (730, 280784), (736, 278495), (763, 268640), (805, 254624), (872, 235060), (920, 222796), (1022, 200560), (1090, 188048), (1120, 183011), (1168, 175490), (1288, 159140), (1460, 140392), (1526, 134320), (1610, 127312), (1679, 122080), (1744, 117530), (1840, 111398), (2044, 100280), (2180, 94024), (2336, 87745), (2507, 81760), (2555, 80224), (2576, 79570), (2920, 70196), (3052, 67160), (3220, 63656), (3358, 61040), (3488, 58765), (3680, 55699), (3815, 53728), (4088, 50140), (4360, 47012), (5014, 40880), (5110, 40112), (5152, 39785), (5840, 35098), (6104, 33580), (6440, 31828), (6716, 30520), (7630, 26864), (7957, 25760), (8176, 25070), (8395, 24416), (8720, 23506), (10028, 20440), (10220, 20056), (11680, 17549), (11753, 17440), (12208, 16790), (12535, 16352), (12880, 15914), (13432, 15260)]