81770256

素因数分解:

$2^4\times 3^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 160

約数和(自身を含む): 249091200

約数和(自身を除く): 167320944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 36, 48, 54, 58, 61, 72, 87, 107, 108, 116, 122, 144, 174, 183, 214, 216, 232, 244, 261, 321, 348, 366, 428, 432, 464, 488, 522, 549, 642, 696, 732, 783, 856, 963, 976, 1044, 1098, 1284, 1392, 1464, 1566, 1647, 1712, 1769, 1926, 2088, 2196, 2568, 2889, 2928, 3103, 3132, 3294, 3538, 3852, 4176, 4392, 5136, 5307, 5778, 6206, 6264, 6527, 6588, 7076, 7704, 8784, 9309, 10614, 11556, 12412, 12528, 13054, 13176, 14152, 15408, 15921, 18618, 19581, 21228, 23112, 24824, 26108, 26352, 27927, 28304, 31842, 37236, 39162, 42456, 46224, 47763, 49648, 52216, 55854, 58743, 63684, 74472, 78324, 83781, 84912, 95526, 104432, 111708, 117486, 127368, 148944, 156648, 167562, 176229, 189283, 191052, 223416, 234972, 254736, 313296, 335124, 352458, 378566, 382104, 446832, 469944, 567849, 670248, 704916, 757132, 764208, 939888, 1135698, 1340496, 1409832, 1514264, 1703547, 2271396, 2819664, 3028528, 3407094, 4542792, 5110641, 6814188, 9085584, 10221282, 13628376, 20442564, 27256752, 40885128, 81770256]

約数ペア:

[(1, 81770256), (2, 40885128), (3, 27256752), (4, 20442564), (6, 13628376), (8, 10221282), (9, 9085584), (12, 6814188), (16, 5110641), (18, 4542792), (24, 3407094), (27, 3028528), (29, 2819664), (36, 2271396), (48, 1703547), (54, 1514264), (58, 1409832), (61, 1340496), (72, 1135698), (87, 939888), (107, 764208), (108, 757132), (116, 704916), (122, 670248), (144, 567849), (174, 469944), (183, 446832), (214, 382104), (216, 378566), (232, 352458), (244, 335124), (261, 313296), (321, 254736), (348, 234972), (366, 223416), (428, 191052), (432, 189283), (464, 176229), (488, 167562), (522, 156648), (549, 148944), (642, 127368), (696, 117486), (732, 111708), (783, 104432), (856, 95526), (963, 84912), (976, 83781), (1044, 78324), (1098, 74472), (1284, 63684), (1392, 58743), (1464, 55854), (1566, 52216), (1647, 49648), (1712, 47763), (1769, 46224), (1926, 42456), (2088, 39162), (2196, 37236), (2568, 31842), (2889, 28304), (2928, 27927), (3103, 26352), (3132, 26108), (3294, 24824), (3538, 23112), (3852, 21228), (4176, 19581), (4392, 18618), (5136, 15921), (5307, 15408), (5778, 14152), (6206, 13176), (6264, 13054), (6527, 12528), (6588, 12412), (7076, 11556), (7704, 10614), (8784, 9309)]