641240576

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2273}}^1$

素因数の和:2339

約数の個数: 80

約数和(自身を含む): 1395781200

約数和(自身を除く): 754540624

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 128, 152, 232, 256, 304, 464, 512, 551, 608, 928, 1102, 1216, 1856, 2204, 2273, 2432, 3712, 4408, 4546, 4864, 7424, 8816, 9092, 9728, 14848, 17632, 18184, 35264, 36368, 43187, 65917, 70528, 72736, 86374, 131834, 141056, 145472, 172748, 263668, 282112, 290944, 345496, 527336, 581888, 690992, 1054672, 1163776, 1252423, 1381984, 2109344, 2504846, 2763968, 4218688, 5009692, 5527936, 8437376, 10019384, 11055872, 16874752, 20038768, 22111744, 33749504, 40077536, 80155072, 160310144, 320620288, 641240576]

約数ペア:

[(1, 641240576), (2, 320620288), (4, 160310144), (8, 80155072), (16, 40077536), (19, 33749504), (29, 22111744), (32, 20038768), (38, 16874752), (58, 11055872), (64, 10019384), (76, 8437376), (116, 5527936), (128, 5009692), (152, 4218688), (232, 2763968), (256, 2504846), (304, 2109344), (464, 1381984), (512, 1252423), (551, 1163776), (608, 1054672), (928, 690992), (1102, 581888), (1216, 527336), (1856, 345496), (2204, 290944), (2273, 282112), (2432, 263668), (3712, 172748), (4408, 145472), (4546, 141056), (4864, 131834), (7424, 86374), (8816, 72736), (9092, 70528), (9728, 65917), (14848, 43187), (17632, 36368), (18184, 35264)]