306991520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 810215784

約数和(自身を除く): 503224264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 101, 110, 121, 157, 160, 176, 202, 220, 242, 314, 352, 404, 440, 484, 505, 605, 628, 785, 808, 880, 968, 1010, 1111, 1210, 1256, 1570, 1616, 1727, 1760, 1936, 2020, 2222, 2420, 2512, 3140, 3232, 3454, 3872, 4040, 4444, 4840, 5024, 5555, 6280, 6908, 8080, 8635, 8888, 9680, 11110, 12221, 12560, 13816, 15857, 16160, 17270, 17776, 18997, 19360, 22220, 24442, 25120, 27632, 31714, 34540, 35552, 37994, 44440, 48884, 55264, 61105, 63428, 69080, 75988, 79285, 88880, 94985, 97768, 122210, 126856, 138160, 151976, 158570, 174427, 177760, 189970, 195536, 244420, 253712, 276320, 303952, 317140, 348854, 379940, 391072, 488840, 507424, 607904, 634280, 697708, 759880, 872135, 977680, 1268560, 1395416, 1519760, 1744270, 1918697, 1955360, 2537120, 2790832, 3039520, 3488540, 3837394, 5581664, 6977080, 7674788, 9593485, 13954160, 15349576, 19186970, 27908320, 30699152, 38373940, 61398304, 76747880, 153495760, 306991520]

約数ペア:

[(1, 306991520), (2, 153495760), (4, 76747880), (5, 61398304), (8, 38373940), (10, 30699152), (11, 27908320), (16, 19186970), (20, 15349576), (22, 13954160), (32, 9593485), (40, 7674788), (44, 6977080), (55, 5581664), (80, 3837394), (88, 3488540), (101, 3039520), (110, 2790832), (121, 2537120), (157, 1955360), (160, 1918697), (176, 1744270), (202, 1519760), (220, 1395416), (242, 1268560), (314, 977680), (352, 872135), (404, 759880), (440, 697708), (484, 634280), (505, 607904), (605, 507424), (628, 488840), (785, 391072), (808, 379940), (880, 348854), (968, 317140), (1010, 303952), (1111, 276320), (1210, 253712), (1256, 244420), (1570, 195536), (1616, 189970), (1727, 177760), (1760, 174427), (1936, 158570), (2020, 151976), (2222, 138160), (2420, 126856), (2512, 122210), (3140, 97768), (3232, 94985), (3454, 88880), (3872, 79285), (4040, 75988), (4444, 69080), (4840, 63428), (5024, 61105), (5555, 55264), (6280, 48884), (6908, 44440), (8080, 37994), (8635, 35552), (8888, 34540), (9680, 31714), (11110, 27632), (12221, 25120), (12560, 24442), (13816, 22220), (15857, 19360), (16160, 18997), (17270, 17776)]