71815248

素因数分解:

$2^4\times 3^6\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 140

約数和(自身を含む): 214682688

約数和(自身を除く): 142867440

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 47, 48, 54, 72, 81, 94, 108, 131, 141, 144, 162, 188, 216, 243, 262, 282, 324, 376, 393, 423, 432, 486, 524, 564, 648, 729, 752, 786, 846, 972, 1048, 1128, 1179, 1269, 1296, 1458, 1572, 1692, 1944, 2096, 2256, 2358, 2538, 2916, 3144, 3384, 3537, 3807, 3888, 4716, 5076, 5832, 6157, 6288, 6768, 7074, 7614, 9432, 10152, 10611, 11421, 11664, 12314, 14148, 15228, 18471, 18864, 20304, 21222, 22842, 24628, 28296, 30456, 31833, 34263, 36942, 42444, 45684, 49256, 55413, 56592, 60912, 63666, 68526, 73884, 84888, 91368, 95499, 98512, 110826, 127332, 137052, 147768, 166239, 169776, 182736, 190998, 221652, 254664, 274104, 295536, 332478, 381996, 443304, 498717, 509328, 548208, 664956, 763992, 886608, 997434, 1329912, 1496151, 1527984, 1994868, 2659824, 2992302, 3989736, 4488453, 5984604, 7979472, 8976906, 11969208, 17953812, 23938416, 35907624, 71815248]

約数ペア:

[(1, 71815248), (2, 35907624), (3, 23938416), (4, 17953812), (6, 11969208), (8, 8976906), (9, 7979472), (12, 5984604), (16, 4488453), (18, 3989736), (24, 2992302), (27, 2659824), (36, 1994868), (47, 1527984), (48, 1496151), (54, 1329912), (72, 997434), (81, 886608), (94, 763992), (108, 664956), (131, 548208), (141, 509328), (144, 498717), (162, 443304), (188, 381996), (216, 332478), (243, 295536), (262, 274104), (282, 254664), (324, 221652), (376, 190998), (393, 182736), (423, 169776), (432, 166239), (486, 147768), (524, 137052), (564, 127332), (648, 110826), (729, 98512), (752, 95499), (786, 91368), (846, 84888), (972, 73884), (1048, 68526), (1128, 63666), (1179, 60912), (1269, 56592), (1296, 55413), (1458, 49256), (1572, 45684), (1692, 42444), (1944, 36942), (2096, 34263), (2256, 31833), (2358, 30456), (2538, 28296), (2916, 24628), (3144, 22842), (3384, 21222), (3537, 20304), (3807, 18864), (3888, 18471), (4716, 15228), (5076, 14148), (5832, 12314), (6157, 11664), (6288, 11421), (6768, 10611), (7074, 10152), (7614, 9432)]