81691056

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 238318080

約数和(自身を除く): 156627024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 79, 86, 129, 144, 158, 167, 172, 237, 258, 316, 334, 344, 387, 474, 501, 516, 632, 668, 688, 711, 774, 948, 1002, 1032, 1264, 1336, 1422, 1503, 1548, 1896, 2004, 2064, 2672, 2844, 3006, 3096, 3397, 3792, 4008, 5688, 6012, 6192, 6794, 7181, 8016, 10191, 11376, 12024, 13193, 13588, 14362, 20382, 21543, 24048, 26386, 27176, 28724, 30573, 39579, 40764, 43086, 52772, 54352, 57448, 61146, 64629, 79158, 81528, 86172, 105544, 114896, 118737, 122292, 129258, 158316, 163056, 172344, 211088, 237474, 244584, 258516, 316632, 344688, 474948, 489168, 517032, 567299, 633264, 949896, 1034064, 1134598, 1701897, 1899792, 2269196, 3403794, 4538392, 5105691, 6807588, 9076784, 10211382, 13615176, 20422764, 27230352, 40845528, 81691056]

約数ペア:

[(1, 81691056), (2, 40845528), (3, 27230352), (4, 20422764), (6, 13615176), (8, 10211382), (9, 9076784), (12, 6807588), (16, 5105691), (18, 4538392), (24, 3403794), (36, 2269196), (43, 1899792), (48, 1701897), (72, 1134598), (79, 1034064), (86, 949896), (129, 633264), (144, 567299), (158, 517032), (167, 489168), (172, 474948), (237, 344688), (258, 316632), (316, 258516), (334, 244584), (344, 237474), (387, 211088), (474, 172344), (501, 163056), (516, 158316), (632, 129258), (668, 122292), (688, 118737), (711, 114896), (774, 105544), (948, 86172), (1002, 81528), (1032, 79158), (1264, 64629), (1336, 61146), (1422, 57448), (1503, 54352), (1548, 52772), (1896, 43086), (2004, 40764), (2064, 39579), (2672, 30573), (2844, 28724), (3006, 27176), (3096, 26386), (3397, 24048), (3792, 21543), (4008, 20382), (5688, 14362), (6012, 13588), (6192, 13193), (6794, 12024), (7181, 11376), (8016, 10191)]