128228256

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1181}}^1$

素因数の和:1239

約数の個数: 144

約数和(自身を含む): 406584360

約数和(自身を除く): 278356104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 29, 32, 36, 39, 48, 52, 58, 72, 78, 87, 96, 104, 116, 117, 144, 156, 174, 208, 232, 234, 261, 288, 312, 348, 377, 416, 464, 468, 522, 624, 696, 754, 928, 936, 1044, 1131, 1181, 1248, 1392, 1508, 1872, 2088, 2262, 2362, 2784, 3016, 3393, 3543, 3744, 4176, 4524, 4724, 6032, 6786, 7086, 8352, 9048, 9448, 10629, 12064, 13572, 14172, 15353, 18096, 18896, 21258, 27144, 28344, 30706, 34249, 36192, 37792, 42516, 46059, 54288, 56688, 61412, 68498, 85032, 92118, 102747, 108576, 113376, 122824, 136996, 138177, 170064, 184236, 205494, 245648, 273992, 276354, 308241, 340128, 368472, 410988, 445237, 491296, 547984, 552708, 616482, 736944, 821976, 890474, 1095968, 1105416, 1232964, 1335711, 1473888, 1643952, 1780948, 2210832, 2465928, 2671422, 3287904, 3561896, 4007133, 4421664, 4931856, 5342844, 7123792, 8014266, 9863712, 10685688, 14247584, 16028532, 21371376, 32057064, 42742752, 64114128, 128228256]

約数ペア:

[(1, 128228256), (2, 64114128), (3, 42742752), (4, 32057064), (6, 21371376), (8, 16028532), (9, 14247584), (12, 10685688), (13, 9863712), (16, 8014266), (18, 7123792), (24, 5342844), (26, 4931856), (29, 4421664), (32, 4007133), (36, 3561896), (39, 3287904), (48, 2671422), (52, 2465928), (58, 2210832), (72, 1780948), (78, 1643952), (87, 1473888), (96, 1335711), (104, 1232964), (116, 1105416), (117, 1095968), (144, 890474), (156, 821976), (174, 736944), (208, 616482), (232, 552708), (234, 547984), (261, 491296), (288, 445237), (312, 410988), (348, 368472), (377, 340128), (416, 308241), (464, 276354), (468, 273992), (522, 245648), (624, 205494), (696, 184236), (754, 170064), (928, 138177), (936, 136996), (1044, 122824), (1131, 113376), (1181, 108576), (1248, 102747), (1392, 92118), (1508, 85032), (1872, 68498), (2088, 61412), (2262, 56688), (2362, 54288), (2784, 46059), (3016, 42516), (3393, 37792), (3543, 36192), (3744, 34249), (4176, 30706), (4524, 28344), (4724, 27144), (6032, 21258), (6786, 18896), (7086, 18096), (8352, 15353), (9048, 14172), (9448, 13572), (10629, 12064)]