311968128

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:480

約数の個数: 128

約数和(自身を含む): 869529600

約数和(自身を除く): 557561472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 73, 93, 96, 124, 128, 146, 186, 192, 219, 248, 292, 359, 372, 384, 438, 496, 584, 718, 744, 876, 992, 1077, 1168, 1436, 1488, 1752, 1984, 2154, 2263, 2336, 2872, 2976, 3504, 3968, 4308, 4526, 4672, 5744, 5952, 6789, 7008, 8616, 9052, 9344, 11129, 11488, 11904, 13578, 14016, 17232, 18104, 22258, 22976, 26207, 27156, 28032, 33387, 34464, 36208, 44516, 45952, 52414, 54312, 66774, 68928, 72416, 78621, 89032, 104828, 108624, 133548, 137856, 144832, 157242, 178064, 209656, 217248, 267096, 289664, 314484, 356128, 419312, 434496, 534192, 628968, 712256, 812417, 838624, 868992, 1068384, 1257936, 1424512, 1624834, 1677248, 2136768, 2437251, 2515872, 3249668, 3354496, 4273536, 4874502, 5031744, 6499336, 9749004, 10063488, 12998672, 19498008, 25997344, 38996016, 51994688, 77992032, 103989376, 155984064, 311968128]

約数ペア:

[(1, 311968128), (2, 155984064), (3, 103989376), (4, 77992032), (6, 51994688), (8, 38996016), (12, 25997344), (16, 19498008), (24, 12998672), (31, 10063488), (32, 9749004), (48, 6499336), (62, 5031744), (64, 4874502), (73, 4273536), (93, 3354496), (96, 3249668), (124, 2515872), (128, 2437251), (146, 2136768), (186, 1677248), (192, 1624834), (219, 1424512), (248, 1257936), (292, 1068384), (359, 868992), (372, 838624), (384, 812417), (438, 712256), (496, 628968), (584, 534192), (718, 434496), (744, 419312), (876, 356128), (992, 314484), (1077, 289664), (1168, 267096), (1436, 217248), (1488, 209656), (1752, 178064), (1984, 157242), (2154, 144832), (2263, 137856), (2336, 133548), (2872, 108624), (2976, 104828), (3504, 89032), (3968, 78621), (4308, 72416), (4526, 68928), (4672, 66774), (5744, 54312), (5952, 52414), (6789, 45952), (7008, 44516), (8616, 36208), (9052, 34464), (9344, 33387), (11129, 28032), (11488, 27156), (11904, 26207), (13578, 22976), (14016, 22258), (17232, 18104)]