81591624

素因数分解:

$2^3\times 3^5\times {\mathrm{19}}^1\times {\mathrm{47}}^2$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 246464400

約数和(自身を除く): 164872776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 47, 54, 57, 72, 76, 81, 94, 108, 114, 141, 152, 162, 171, 188, 216, 228, 243, 282, 324, 342, 376, 423, 456, 486, 513, 564, 648, 684, 846, 893, 972, 1026, 1128, 1269, 1368, 1539, 1692, 1786, 1944, 2052, 2209, 2538, 2679, 3078, 3384, 3572, 3807, 4104, 4418, 4617, 5076, 5358, 6156, 6627, 7144, 7614, 8037, 8836, 9234, 10152, 10716, 11421, 12312, 13254, 15228, 16074, 17672, 18468, 19881, 21432, 22842, 24111, 26508, 30456, 32148, 36936, 39762, 41971, 45684, 48222, 53016, 59643, 64296, 72333, 79524, 83942, 91368, 96444, 119286, 125913, 144666, 159048, 167884, 178929, 192888, 216999, 238572, 251826, 289332, 335768, 357858, 377739, 433998, 477144, 503652, 536787, 578664, 715716, 755478, 867996, 1007304, 1073574, 1133217, 1431432, 1510956, 1735992, 2147148, 2266434, 3021912, 3399651, 4294296, 4532868, 6799302, 9065736, 10198953, 13598604, 20397906, 27197208, 40795812, 81591624]

約数ペア:

[(1, 81591624), (2, 40795812), (3, 27197208), (4, 20397906), (6, 13598604), (8, 10198953), (9, 9065736), (12, 6799302), (18, 4532868), (19, 4294296), (24, 3399651), (27, 3021912), (36, 2266434), (38, 2147148), (47, 1735992), (54, 1510956), (57, 1431432), (72, 1133217), (76, 1073574), (81, 1007304), (94, 867996), (108, 755478), (114, 715716), (141, 578664), (152, 536787), (162, 503652), (171, 477144), (188, 433998), (216, 377739), (228, 357858), (243, 335768), (282, 289332), (324, 251826), (342, 238572), (376, 216999), (423, 192888), (456, 178929), (486, 167884), (513, 159048), (564, 144666), (648, 125913), (684, 119286), (846, 96444), (893, 91368), (972, 83942), (1026, 79524), (1128, 72333), (1269, 64296), (1368, 59643), (1539, 53016), (1692, 48222), (1786, 45684), (1944, 41971), (2052, 39762), (2209, 36936), (2538, 32148), (2679, 30456), (3078, 26508), (3384, 24111), (3572, 22842), (3807, 21432), (4104, 19881), (4418, 18468), (4617, 17672), (5076, 16074), (5358, 15228), (6156, 13254), (6627, 12312), (7144, 11421), (7614, 10716), (8037, 10152), (8836, 9234)]