315840896

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 756725760

約数和(自身を除く): 440884864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 83, 112, 124, 128, 137, 166, 217, 224, 248, 274, 332, 434, 448, 496, 548, 581, 664, 868, 896, 959, 992, 1096, 1162, 1328, 1736, 1918, 1984, 2192, 2324, 2573, 2656, 3472, 3836, 3968, 4247, 4384, 4648, 5146, 5312, 6944, 7672, 8494, 8768, 9296, 10292, 10624, 11371, 13888, 15344, 16988, 17536, 18011, 18592, 20584, 22742, 27776, 29729, 30688, 33976, 36022, 37184, 41168, 45484, 59458, 61376, 67952, 72044, 74368, 79597, 82336, 90968, 118916, 122752, 135904, 144088, 159194, 164672, 181936, 237832, 271808, 288176, 318388, 329344, 352501, 363872, 475664, 543616, 576352, 636776, 705002, 727744, 951328, 1152704, 1273552, 1410004, 1455488, 1902656, 2305408, 2467507, 2547104, 2820008, 3805312, 4935014, 5094208, 5640016, 9870028, 10188416, 11280032, 19740056, 22560064, 39480112, 45120128, 78960224, 157920448, 315840896]

約数ペア:

[(1, 315840896), (2, 157920448), (4, 78960224), (7, 45120128), (8, 39480112), (14, 22560064), (16, 19740056), (28, 11280032), (31, 10188416), (32, 9870028), (56, 5640016), (62, 5094208), (64, 4935014), (83, 3805312), (112, 2820008), (124, 2547104), (128, 2467507), (137, 2305408), (166, 1902656), (217, 1455488), (224, 1410004), (248, 1273552), (274, 1152704), (332, 951328), (434, 727744), (448, 705002), (496, 636776), (548, 576352), (581, 543616), (664, 475664), (868, 363872), (896, 352501), (959, 329344), (992, 318388), (1096, 288176), (1162, 271808), (1328, 237832), (1736, 181936), (1918, 164672), (1984, 159194), (2192, 144088), (2324, 135904), (2573, 122752), (2656, 118916), (3472, 90968), (3836, 82336), (3968, 79597), (4247, 74368), (4384, 72044), (4648, 67952), (5146, 61376), (5312, 59458), (6944, 45484), (7672, 41168), (8494, 37184), (8768, 36022), (9296, 33976), (10292, 30688), (10624, 29729), (11371, 27776), (13888, 22742), (15344, 20584), (16988, 18592), (17536, 18011)]