81390528

素因数分解:

$2^6\times 3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 224

約数和(自身を含む): 262534400

約数和(自身を除く): 181143872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 37, 38, 48, 54, 57, 64, 67, 72, 74, 76, 96, 108, 111, 114, 134, 144, 148, 152, 171, 192, 201, 216, 222, 228, 268, 288, 296, 304, 333, 342, 402, 432, 444, 456, 513, 536, 576, 592, 603, 608, 666, 684, 703, 804, 864, 888, 912, 999, 1026, 1072, 1184, 1206, 1216, 1273, 1332, 1368, 1406, 1608, 1728, 1776, 1809, 1824, 1998, 2052, 2109, 2144, 2368, 2412, 2479, 2546, 2664, 2736, 2812, 3216, 3552, 3618, 3648, 3819, 3996, 4104, 4218, 4288, 4824, 4958, 5092, 5328, 5472, 5624, 6327, 6432, 7104, 7236, 7437, 7638, 7992, 8208, 8436, 9648, 9916, 10184, 10656, 10944, 11248, 11457, 12654, 12864, 14472, 14874, 15276, 15984, 16416, 16872, 18981, 19296, 19832, 20368, 21312, 22311, 22496, 22914, 25308, 28944, 29748, 30552, 31968, 32832, 33744, 34371, 37962, 38592, 39664, 40736, 44622, 44992, 45828, 47101, 50616, 57888, 59496, 61104, 63936, 66933, 67488, 68742, 75924, 79328, 81472, 89244, 91656, 94202, 101232, 115776, 118992, 122208, 133866, 134976, 137484, 141303, 151848, 158656, 178488, 183312, 188404, 202464, 237984, 244416, 267732, 274968, 282606, 303696, 356976, 366624, 376808, 404928, 423909, 475968, 535464, 549936, 565212, 607392, 713952, 733248, 753616, 847818, 1070928, 1099872, 1130424, 1214784, 1271727, 1427904, 1507232, 1695636, 2141856, 2199744, 2260848, 2543454, 3014464, 3391272, 4283712, 4521696, 5086908, 6782544, 9043392, 10173816, 13565088, 20347632, 27130176, 40695264, 81390528]

約数ペア:

[(1, 81390528), (2, 40695264), (3, 27130176), (4, 20347632), (6, 13565088), (8, 10173816), (9, 9043392), (12, 6782544), (16, 5086908), (18, 4521696), (19, 4283712), (24, 3391272), (27, 3014464), (32, 2543454), (36, 2260848), (37, 2199744), (38, 2141856), (48, 1695636), (54, 1507232), (57, 1427904), (64, 1271727), (67, 1214784), (72, 1130424), (74, 1099872), (76, 1070928), (96, 847818), (108, 753616), (111, 733248), (114, 713952), (134, 607392), (144, 565212), (148, 549936), (152, 535464), (171, 475968), (192, 423909), (201, 404928), (216, 376808), (222, 366624), (228, 356976), (268, 303696), (288, 282606), (296, 274968), (304, 267732), (333, 244416), (342, 237984), (402, 202464), (432, 188404), (444, 183312), (456, 178488), (513, 158656), (536, 151848), (576, 141303), (592, 137484), (603, 134976), (608, 133866), (666, 122208), (684, 118992), (703, 115776), (804, 101232), (864, 94202), (888, 91656), (912, 89244), (999, 81472), (1026, 79328), (1072, 75924), (1184, 68742), (1206, 67488), (1216, 66933), (1273, 63936), (1332, 61104), (1368, 59496), (1406, 57888), (1608, 50616), (1728, 47101), (1776, 45828), (1809, 44992), (1824, 44622), (1998, 40736), (2052, 39664), (2109, 38592), (2144, 37962), (2368, 34371), (2412, 33744), (2479, 32832), (2546, 31968), (2664, 30552), (2736, 29748), (2812, 28944), (3216, 25308), (3552, 22914), (3618, 22496), (3648, 22311), (3819, 21312), (3996, 20368), (4104, 19832), (4218, 19296), (4288, 18981), (4824, 16872), (4958, 16416), (5092, 15984), (5328, 15276), (5472, 14874), (5624, 14472), (6327, 12864), (6432, 12654), (7104, 11457), (7236, 11248), (7437, 10944), (7638, 10656), (7992, 10184), (8208, 9916), (8436, 9648)]