161979888

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1215

約数の個数: 120

約数和(自身を含む): 495184080

約数和(自身を除く): 333204192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 61, 84, 98, 112, 122, 147, 168, 183, 196, 244, 294, 336, 366, 392, 427, 488, 588, 732, 784, 854, 976, 1129, 1176, 1281, 1464, 1708, 2258, 2352, 2562, 2928, 2989, 3387, 3416, 4516, 5124, 5978, 6774, 6832, 7903, 8967, 9032, 10248, 11956, 13548, 15806, 17934, 18064, 20496, 23709, 23912, 27096, 31612, 35868, 47418, 47824, 54192, 55321, 63224, 68869, 71736, 94836, 110642, 126448, 137738, 143472, 165963, 189672, 206607, 221284, 275476, 331926, 379344, 413214, 442568, 482083, 550952, 663852, 826428, 885136, 964166, 1101904, 1327704, 1446249, 1652856, 1928332, 2655408, 2892498, 3305712, 3374581, 3856664, 5784996, 6749162, 7713328, 10123743, 11569992, 13498324, 20247486, 23139984, 26996648, 40494972, 53993296, 80989944, 161979888]

約数ペア:

[(1, 161979888), (2, 80989944), (3, 53993296), (4, 40494972), (6, 26996648), (7, 23139984), (8, 20247486), (12, 13498324), (14, 11569992), (16, 10123743), (21, 7713328), (24, 6749162), (28, 5784996), (42, 3856664), (48, 3374581), (49, 3305712), (56, 2892498), (61, 2655408), (84, 1928332), (98, 1652856), (112, 1446249), (122, 1327704), (147, 1101904), (168, 964166), (183, 885136), (196, 826428), (244, 663852), (294, 550952), (336, 482083), (366, 442568), (392, 413214), (427, 379344), (488, 331926), (588, 275476), (732, 221284), (784, 206607), (854, 189672), (976, 165963), (1129, 143472), (1176, 137738), (1281, 126448), (1464, 110642), (1708, 94836), (2258, 71736), (2352, 68869), (2562, 63224), (2928, 55321), (2989, 54192), (3387, 47824), (3416, 47418), (4516, 35868), (5124, 31612), (5978, 27096), (6774, 23912), (6832, 23709), (7903, 20496), (8967, 18064), (9032, 17934), (10248, 15806), (11956, 13548)]