27479480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 78382080

約数和(自身を除く): 50902600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 85, 92, 115, 119, 136, 140, 161, 170, 184, 230, 238, 251, 280, 322, 340, 391, 460, 476, 502, 595, 644, 680, 782, 805, 920, 952, 1004, 1190, 1255, 1288, 1564, 1610, 1757, 1955, 2008, 2380, 2510, 2737, 3128, 3220, 3514, 3910, 4267, 4760, 5020, 5474, 5773, 6440, 7028, 7820, 8534, 8785, 10040, 10948, 11546, 13685, 14056, 15640, 17068, 17570, 21335, 21896, 23092, 27370, 28865, 29869, 34136, 35140, 40411, 42670, 46184, 54740, 57730, 59738, 70280, 80822, 85340, 98141, 109480, 115460, 119476, 149345, 161644, 170680, 196282, 202055, 230920, 238952, 298690, 323288, 392564, 404110, 490705, 597380, 686987, 785128, 808220, 981410, 1194760, 1373974, 1616440, 1962820, 2747948, 3434935, 3925640, 5495896, 6869870, 13739740, 27479480]

約数ペア:

[(1, 27479480), (2, 13739740), (4, 6869870), (5, 5495896), (7, 3925640), (8, 3434935), (10, 2747948), (14, 1962820), (17, 1616440), (20, 1373974), (23, 1194760), (28, 981410), (34, 808220), (35, 785128), (40, 686987), (46, 597380), (56, 490705), (68, 404110), (70, 392564), (85, 323288), (92, 298690), (115, 238952), (119, 230920), (136, 202055), (140, 196282), (161, 170680), (170, 161644), (184, 149345), (230, 119476), (238, 115460), (251, 109480), (280, 98141), (322, 85340), (340, 80822), (391, 70280), (460, 59738), (476, 57730), (502, 54740), (595, 46184), (644, 42670), (680, 40411), (782, 35140), (805, 34136), (920, 29869), (952, 28865), (1004, 27370), (1190, 23092), (1255, 21896), (1288, 21335), (1564, 17570), (1610, 17068), (1757, 15640), (1955, 14056), (2008, 13685), (2380, 11546), (2510, 10948), (2737, 10040), (3128, 8785), (3220, 8534), (3514, 7820), (3910, 7028), (4267, 6440), (4760, 5773), (5020, 5474)]