16726640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:295

約数の個数: 120

約数和(自身を含む): 48090672

約数和(自身を除く): 31364032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 251, 272, 280, 340, 392, 476, 490, 502, 560, 595, 680, 784, 833, 952, 980, 1004, 1190, 1255, 1360, 1666, 1757, 1904, 1960, 2008, 2380, 2510, 3332, 3514, 3920, 4016, 4165, 4267, 4760, 5020, 6664, 7028, 8330, 8534, 8785, 9520, 10040, 12299, 13328, 14056, 16660, 17068, 17570, 20080, 21335, 24598, 28112, 29869, 33320, 34136, 35140, 42670, 49196, 59738, 61495, 66640, 68272, 70280, 85340, 98392, 119476, 122990, 140560, 149345, 170680, 196784, 209083, 238952, 245980, 298690, 341360, 418166, 477904, 491960, 597380, 836332, 983920, 1045415, 1194760, 1672664, 2090830, 2389520, 3345328, 4181660, 8363320, 16726640]

約数ペア:

[(1, 16726640), (2, 8363320), (4, 4181660), (5, 3345328), (7, 2389520), (8, 2090830), (10, 1672664), (14, 1194760), (16, 1045415), (17, 983920), (20, 836332), (28, 597380), (34, 491960), (35, 477904), (40, 418166), (49, 341360), (56, 298690), (68, 245980), (70, 238952), (80, 209083), (85, 196784), (98, 170680), (112, 149345), (119, 140560), (136, 122990), (140, 119476), (170, 98392), (196, 85340), (238, 70280), (245, 68272), (251, 66640), (272, 61495), (280, 59738), (340, 49196), (392, 42670), (476, 35140), (490, 34136), (502, 33320), (560, 29869), (595, 28112), (680, 24598), (784, 21335), (833, 20080), (952, 17570), (980, 17068), (1004, 16660), (1190, 14056), (1255, 13328), (1360, 12299), (1666, 10040), (1757, 9520), (1904, 8785), (1960, 8534), (2008, 8330), (2380, 7028), (2510, 6664), (3332, 5020), (3514, 4760), (3920, 4267), (4016, 4165)]