721730256

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:373

約数の個数: 160

約数和(自身を含む): 2073617280

約数和(自身を除く): 1351887024

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 53, 78, 104, 106, 139, 156, 157, 159, 208, 212, 278, 312, 314, 318, 417, 424, 471, 556, 624, 628, 636, 689, 834, 848, 942, 1112, 1256, 1272, 1378, 1668, 1807, 1884, 2041, 2067, 2224, 2512, 2544, 2756, 3336, 3614, 3768, 4082, 4134, 5421, 5512, 6123, 6672, 7228, 7367, 7536, 8164, 8268, 8321, 10842, 11024, 12246, 14456, 14734, 16328, 16536, 16642, 21684, 21823, 22101, 24492, 24963, 28912, 29468, 32656, 33072, 33284, 43368, 43646, 44202, 48984, 49926, 58936, 65469, 66568, 86736, 87292, 88404, 95771, 97968, 99852, 108173, 117872, 130938, 133136, 174584, 176808, 191542, 199704, 216346, 261876, 283699, 287313, 324519, 349168, 353616, 383084, 399408, 432692, 523752, 567398, 574626, 649038, 766168, 851097, 865384, 1047504, 1134796, 1149252, 1156619, 1298076, 1532336, 1702194, 1730768, 2269592, 2298504, 2313238, 2596152, 3404388, 3469857, 4539184, 4597008, 4626476, 5192304, 6808776, 6939714, 9252952, 13617552, 13879428, 15036047, 18505904, 27758856, 30072094, 45108141, 55517712, 60144188, 90216282, 120288376, 180432564, 240576752, 360865128, 721730256]

約数ペア:

[(1, 721730256), (2, 360865128), (3, 240576752), (4, 180432564), (6, 120288376), (8, 90216282), (12, 60144188), (13, 55517712), (16, 45108141), (24, 30072094), (26, 27758856), (39, 18505904), (48, 15036047), (52, 13879428), (53, 13617552), (78, 9252952), (104, 6939714), (106, 6808776), (139, 5192304), (156, 4626476), (157, 4597008), (159, 4539184), (208, 3469857), (212, 3404388), (278, 2596152), (312, 2313238), (314, 2298504), (318, 2269592), (417, 1730768), (424, 1702194), (471, 1532336), (556, 1298076), (624, 1156619), (628, 1149252), (636, 1134796), (689, 1047504), (834, 865384), (848, 851097), (942, 766168), (1112, 649038), (1256, 574626), (1272, 567398), (1378, 523752), (1668, 432692), (1807, 399408), (1884, 383084), (2041, 353616), (2067, 349168), (2224, 324519), (2512, 287313), (2544, 283699), (2756, 261876), (3336, 216346), (3614, 199704), (3768, 191542), (4082, 176808), (4134, 174584), (5421, 133136), (5512, 130938), (6123, 117872), (6672, 108173), (7228, 99852), (7367, 97968), (7536, 95771), (8164, 88404), (8268, 87292), (8321, 86736), (10842, 66568), (11024, 65469), (12246, 58936), (14456, 49926), (14734, 48984), (16328, 44202), (16536, 43646), (16642, 43368), (21684, 33284), (21823, 33072), (22101, 32656), (24492, 29468), (24963, 28912)]