31415472

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^2\times {\mathrm{601}}^1$

素因数の和:640

約数の個数: 120

約数和(自身を含む): 99281840

約数和(自身を除く): 67866368

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 88, 99, 108, 121, 132, 144, 176, 198, 216, 242, 264, 297, 363, 396, 432, 484, 528, 594, 601, 726, 792, 968, 1089, 1188, 1202, 1452, 1584, 1803, 1936, 2178, 2376, 2404, 2904, 3267, 3606, 4356, 4752, 4808, 5409, 5808, 6534, 6611, 7212, 8712, 9616, 10818, 13068, 13222, 14424, 16227, 17424, 19833, 21636, 26136, 26444, 28848, 32454, 39666, 43272, 52272, 52888, 59499, 64908, 72721, 79332, 86544, 105776, 118998, 129816, 145442, 158664, 178497, 218163, 237996, 259632, 290884, 317328, 356994, 436326, 475992, 581768, 654489, 713988, 872652, 951984, 1163536, 1308978, 1427976, 1745304, 1963467, 2617956, 2855952, 3490608, 3926934, 5235912, 7853868, 10471824, 15707736, 31415472]

約数ペア:

[(1, 31415472), (2, 15707736), (3, 10471824), (4, 7853868), (6, 5235912), (8, 3926934), (9, 3490608), (11, 2855952), (12, 2617956), (16, 1963467), (18, 1745304), (22, 1427976), (24, 1308978), (27, 1163536), (33, 951984), (36, 872652), (44, 713988), (48, 654489), (54, 581768), (66, 475992), (72, 436326), (88, 356994), (99, 317328), (108, 290884), (121, 259632), (132, 237996), (144, 218163), (176, 178497), (198, 158664), (216, 145442), (242, 129816), (264, 118998), (297, 105776), (363, 86544), (396, 79332), (432, 72721), (484, 64908), (528, 59499), (594, 52888), (601, 52272), (726, 43272), (792, 39666), (968, 32454), (1089, 28848), (1188, 26444), (1202, 26136), (1452, 21636), (1584, 19833), (1803, 17424), (1936, 16227), (2178, 14424), (2376, 13222), (2404, 13068), (2904, 10818), (3267, 9616), (3606, 8712), (4356, 7212), (4752, 6611), (4808, 6534), (5409, 5808)]