422378720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:185

約数の個数: 144

約数和(自身を含む): 1072011024

約数和(自身を除く): 649632304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 67, 80, 82, 124, 134, 155, 160, 164, 205, 248, 268, 310, 328, 335, 410, 496, 536, 620, 656, 670, 820, 961, 992, 1072, 1240, 1271, 1312, 1340, 1640, 1922, 2077, 2144, 2480, 2542, 2680, 2747, 3280, 3844, 4154, 4805, 4960, 5084, 5360, 5494, 6355, 6560, 7688, 8308, 9610, 10168, 10385, 10720, 10988, 12710, 13735, 15376, 16616, 19220, 20336, 20770, 21976, 25420, 27470, 30752, 33232, 38440, 39401, 40672, 41540, 43952, 50840, 54940, 64387, 66464, 76880, 78802, 83080, 85157, 87904, 101680, 109880, 128774, 153760, 157604, 166160, 170314, 197005, 203360, 219760, 257548, 315208, 321935, 332320, 340628, 394010, 425785, 439520, 515096, 630416, 643870, 681256, 788020, 851570, 1030192, 1260832, 1287740, 1362512, 1576040, 1703140, 2060384, 2575480, 2639867, 2725024, 3152080, 3406280, 5150960, 5279734, 6304160, 6812560, 10301920, 10559468, 13199335, 13625120, 21118936, 26398670, 42237872, 52797340, 84475744, 105594680, 211189360, 422378720]

約数ペア:

[(1, 422378720), (2, 211189360), (4, 105594680), (5, 84475744), (8, 52797340), (10, 42237872), (16, 26398670), (20, 21118936), (31, 13625120), (32, 13199335), (40, 10559468), (41, 10301920), (62, 6812560), (67, 6304160), (80, 5279734), (82, 5150960), (124, 3406280), (134, 3152080), (155, 2725024), (160, 2639867), (164, 2575480), (205, 2060384), (248, 1703140), (268, 1576040), (310, 1362512), (328, 1287740), (335, 1260832), (410, 1030192), (496, 851570), (536, 788020), (620, 681256), (656, 643870), (670, 630416), (820, 515096), (961, 439520), (992, 425785), (1072, 394010), (1240, 340628), (1271, 332320), (1312, 321935), (1340, 315208), (1640, 257548), (1922, 219760), (2077, 203360), (2144, 197005), (2480, 170314), (2542, 166160), (2680, 157604), (2747, 153760), (3280, 128774), (3844, 109880), (4154, 101680), (4805, 87904), (4960, 85157), (5084, 83080), (5360, 78802), (5494, 76880), (6355, 66464), (6560, 64387), (7688, 54940), (8308, 50840), (9610, 43952), (10168, 41540), (10385, 40672), (10720, 39401), (10988, 38440), (12710, 33232), (13735, 30752), (15376, 27470), (16616, 25420), (19220, 21976), (20336, 20770)]