640778592

素因数分解:

$2^5\times 3^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{587}}^1$

素因数の和:820

約数の個数: 96

約数和(自身を含む): 1717656192

約数和(自身を除く): 1076877600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 83, 96, 137, 166, 249, 274, 332, 411, 498, 548, 587, 664, 822, 996, 1096, 1174, 1328, 1644, 1761, 1992, 2192, 2348, 2656, 3288, 3522, 3984, 4384, 4696, 6576, 7044, 7968, 9392, 11371, 13152, 14088, 18784, 22742, 28176, 34113, 45484, 48721, 56352, 68226, 80419, 90968, 97442, 136452, 146163, 160838, 181936, 194884, 241257, 272904, 292326, 321676, 363872, 389768, 482514, 545808, 584652, 643352, 779536, 965028, 1091616, 1169304, 1286704, 1559072, 1930056, 2338608, 2573408, 3860112, 4677216, 6674777, 7720224, 13349554, 20024331, 26699108, 40048662, 53398216, 80097324, 106796432, 160194648, 213592864, 320389296, 640778592]

約数ペア:

[(1, 640778592), (2, 320389296), (3, 213592864), (4, 160194648), (6, 106796432), (8, 80097324), (12, 53398216), (16, 40048662), (24, 26699108), (32, 20024331), (48, 13349554), (83, 7720224), (96, 6674777), (137, 4677216), (166, 3860112), (249, 2573408), (274, 2338608), (332, 1930056), (411, 1559072), (498, 1286704), (548, 1169304), (587, 1091616), (664, 965028), (822, 779536), (996, 643352), (1096, 584652), (1174, 545808), (1328, 482514), (1644, 389768), (1761, 363872), (1992, 321676), (2192, 292326), (2348, 272904), (2656, 241257), (3288, 194884), (3522, 181936), (3984, 160838), (4384, 146163), (4696, 136452), (6576, 97442), (7044, 90968), (7968, 80419), (9392, 68226), (11371, 56352), (13152, 48721), (14088, 45484), (18784, 34113), (22742, 28176)]