215310128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 120

約数和(自身を含む): 502378560

約数和(自身を除く): 287068432

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 38, 44, 62, 67, 76, 88, 124, 134, 152, 176, 209, 248, 268, 304, 341, 418, 496, 536, 589, 682, 737, 836, 961, 1072, 1178, 1273, 1364, 1474, 1672, 1922, 2077, 2356, 2546, 2728, 2948, 3344, 3844, 4154, 4712, 5092, 5456, 5896, 6479, 7688, 8308, 9424, 10184, 10571, 11792, 12958, 14003, 15376, 16616, 18259, 20368, 21142, 22847, 25916, 28006, 33232, 36518, 39463, 42284, 45694, 51832, 56012, 64387, 73036, 78926, 84568, 91388, 103664, 112024, 128774, 146072, 157852, 169136, 182776, 200849, 224048, 257548, 292144, 315704, 365552, 401698, 434093, 515096, 631408, 708257, 803396, 868186, 1030192, 1223353, 1416514, 1606792, 1736372, 2446706, 2833028, 3213584, 3472744, 4893412, 5666056, 6945488, 9786824, 11332112, 13456883, 19573648, 26913766, 53827532, 107655064, 215310128]

約数ペア:

[(1, 215310128), (2, 107655064), (4, 53827532), (8, 26913766), (11, 19573648), (16, 13456883), (19, 11332112), (22, 9786824), (31, 6945488), (38, 5666056), (44, 4893412), (62, 3472744), (67, 3213584), (76, 2833028), (88, 2446706), (124, 1736372), (134, 1606792), (152, 1416514), (176, 1223353), (209, 1030192), (248, 868186), (268, 803396), (304, 708257), (341, 631408), (418, 515096), (496, 434093), (536, 401698), (589, 365552), (682, 315704), (737, 292144), (836, 257548), (961, 224048), (1072, 200849), (1178, 182776), (1273, 169136), (1364, 157852), (1474, 146072), (1672, 128774), (1922, 112024), (2077, 103664), (2356, 91388), (2546, 84568), (2728, 78926), (2948, 73036), (3344, 64387), (3844, 56012), (4154, 51832), (4712, 45694), (5092, 42284), (5456, 39463), (5896, 36518), (6479, 33232), (7688, 28006), (8308, 25916), (9424, 22847), (10184, 21142), (10571, 20368), (11792, 18259), (12958, 16616), (14003, 15376)]