81219744

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:399

約数の個数: 144

約数和(自身を含む): 249965352

約数和(自身を除く): 168745608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 53, 68, 72, 96, 102, 106, 136, 144, 153, 159, 204, 212, 272, 288, 306, 313, 318, 408, 424, 477, 544, 612, 626, 636, 816, 848, 901, 939, 954, 1224, 1252, 1272, 1632, 1696, 1802, 1878, 1908, 2448, 2504, 2544, 2703, 2817, 3604, 3756, 3816, 4896, 5008, 5088, 5321, 5406, 5634, 7208, 7512, 7632, 8109, 10016, 10642, 10812, 11268, 14416, 15024, 15264, 15963, 16218, 16589, 21284, 21624, 22536, 28832, 30048, 31926, 32436, 33178, 42568, 43248, 45072, 47889, 49767, 63852, 64872, 66356, 85136, 86496, 90144, 95778, 99534, 127704, 129744, 132712, 149301, 170272, 191556, 199068, 255408, 259488, 265424, 282013, 298602, 383112, 398136, 510816, 530848, 564026, 597204, 766224, 796272, 846039, 1128052, 1194408, 1532448, 1592544, 1692078, 2256104, 2388816, 2538117, 3384156, 4512208, 4777632, 5076234, 6768312, 9024416, 10152468, 13536624, 20304936, 27073248, 40609872, 81219744]

約数ペア:

[(1, 81219744), (2, 40609872), (3, 27073248), (4, 20304936), (6, 13536624), (8, 10152468), (9, 9024416), (12, 6768312), (16, 5076234), (17, 4777632), (18, 4512208), (24, 3384156), (32, 2538117), (34, 2388816), (36, 2256104), (48, 1692078), (51, 1592544), (53, 1532448), (68, 1194408), (72, 1128052), (96, 846039), (102, 796272), (106, 766224), (136, 597204), (144, 564026), (153, 530848), (159, 510816), (204, 398136), (212, 383112), (272, 298602), (288, 282013), (306, 265424), (313, 259488), (318, 255408), (408, 199068), (424, 191556), (477, 170272), (544, 149301), (612, 132712), (626, 129744), (636, 127704), (816, 99534), (848, 95778), (901, 90144), (939, 86496), (954, 85136), (1224, 66356), (1252, 64872), (1272, 63852), (1632, 49767), (1696, 47889), (1802, 45072), (1878, 43248), (1908, 42568), (2448, 33178), (2504, 32436), (2544, 31926), (2703, 30048), (2817, 28832), (3604, 22536), (3756, 21624), (3816, 21284), (4896, 16589), (5008, 16218), (5088, 15963), (5321, 15264), (5406, 15024), (5634, 14416), (7208, 11268), (7512, 10812), (7632, 10642), (8109, 10016)]