31231872

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{1291}}^1$

素因数の和:1321

約数の個数: 128

約数和(自身を含む): 105427200

約数和(自身を除く): 74195328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 384, 432, 448, 504, 576, 672, 756, 864, 896, 1008, 1152, 1291, 1344, 1512, 1728, 2016, 2582, 2688, 3024, 3456, 3873, 4032, 5164, 6048, 7746, 8064, 9037, 10328, 11619, 12096, 15492, 18074, 20656, 23238, 24192, 27111, 30984, 34857, 36148, 41312, 46476, 54222, 61968, 69714, 72296, 81333, 82624, 92952, 108444, 123936, 139428, 144592, 162666, 165248, 185904, 216888, 243999, 247872, 278856, 289184, 325332, 371808, 433776, 487998, 495744, 557712, 578368, 650664, 743616, 867552, 975996, 1115424, 1156736, 1301328, 1487232, 1735104, 1951992, 2230848, 2602656, 3470208, 3903984, 4461696, 5205312, 7807968, 10410624, 15615936, 31231872]

約数ペア:

[(1, 31231872), (2, 15615936), (3, 10410624), (4, 7807968), (6, 5205312), (7, 4461696), (8, 3903984), (9, 3470208), (12, 2602656), (14, 2230848), (16, 1951992), (18, 1735104), (21, 1487232), (24, 1301328), (27, 1156736), (28, 1115424), (32, 975996), (36, 867552), (42, 743616), (48, 650664), (54, 578368), (56, 557712), (63, 495744), (64, 487998), (72, 433776), (84, 371808), (96, 325332), (108, 289184), (112, 278856), (126, 247872), (128, 243999), (144, 216888), (168, 185904), (189, 165248), (192, 162666), (216, 144592), (224, 139428), (252, 123936), (288, 108444), (336, 92952), (378, 82624), (384, 81333), (432, 72296), (448, 69714), (504, 61968), (576, 54222), (672, 46476), (756, 41312), (864, 36148), (896, 34857), (1008, 30984), (1152, 27111), (1291, 24192), (1344, 23238), (1512, 20656), (1728, 18074), (2016, 15492), (2582, 12096), (2688, 11619), (3024, 10328), (3456, 9037), (3873, 8064), (4032, 7746), (5164, 6048)]