155318240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1801}}^1$

素因数の和:1841

約数の個数: 144

約数和(自身を含む): 465910704

約数和(自身を除く): 310592464

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1801, 1960, 2156, 2464, 2695, 3080, 3602, 3920, 4312, 5390, 6160, 7204, 7840, 8624, 9005, 10780, 12320, 12607, 14408, 17248, 18010, 19811, 21560, 25214, 28816, 36020, 39622, 43120, 50428, 57632, 63035, 72040, 79244, 86240, 88249, 99055, 100856, 126070, 138677, 144080, 158488, 176498, 198110, 201712, 252140, 277354, 288160, 316976, 352996, 396220, 403424, 441245, 504280, 554708, 633952, 693385, 705992, 792440, 882490, 970739, 1008560, 1109416, 1386770, 1411984, 1584880, 1764980, 1941478, 2017120, 2218832, 2773540, 2823968, 3169760, 3529960, 3882956, 4437664, 4853695, 5547080, 7059920, 7765912, 9707390, 11094160, 14119840, 15531824, 19414780, 22188320, 31063648, 38829560, 77659120, 155318240]

約数ペア:

[(1, 155318240), (2, 77659120), (4, 38829560), (5, 31063648), (7, 22188320), (8, 19414780), (10, 15531824), (11, 14119840), (14, 11094160), (16, 9707390), (20, 7765912), (22, 7059920), (28, 5547080), (32, 4853695), (35, 4437664), (40, 3882956), (44, 3529960), (49, 3169760), (55, 2823968), (56, 2773540), (70, 2218832), (77, 2017120), (80, 1941478), (88, 1764980), (98, 1584880), (110, 1411984), (112, 1386770), (140, 1109416), (154, 1008560), (160, 970739), (176, 882490), (196, 792440), (220, 705992), (224, 693385), (245, 633952), (280, 554708), (308, 504280), (352, 441245), (385, 403424), (392, 396220), (440, 352996), (490, 316976), (539, 288160), (560, 277354), (616, 252140), (770, 201712), (784, 198110), (880, 176498), (980, 158488), (1078, 144080), (1120, 138677), (1232, 126070), (1540, 100856), (1568, 99055), (1760, 88249), (1801, 86240), (1960, 79244), (2156, 72040), (2464, 63035), (2695, 57632), (3080, 50428), (3602, 43120), (3920, 39622), (4312, 36020), (5390, 28816), (6160, 25214), (7204, 21560), (7840, 19811), (8624, 18010), (9005, 17248), (10780, 14408), (12320, 12607)]