261128704

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1579}}^1$

素因数の和:1633

約数の個数: 80

約数和(自身を含む): 581882400

約数和(自身を除く): 320753696

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 256, 272, 304, 323, 512, 544, 608, 646, 1088, 1216, 1292, 1579, 2176, 2432, 2584, 3158, 4352, 4864, 5168, 6316, 8704, 9728, 10336, 12632, 20672, 25264, 26843, 30001, 41344, 50528, 53686, 60002, 82688, 101056, 107372, 120004, 165376, 202112, 214744, 240008, 404224, 429488, 480016, 510017, 808448, 858976, 960032, 1020034, 1717952, 1920064, 2040068, 3435904, 3840128, 4080136, 6871808, 7680256, 8160272, 13743616, 15360512, 16320544, 32641088, 65282176, 130564352, 261128704]

約数ペア:

[(1, 261128704), (2, 130564352), (4, 65282176), (8, 32641088), (16, 16320544), (17, 15360512), (19, 13743616), (32, 8160272), (34, 7680256), (38, 6871808), (64, 4080136), (68, 3840128), (76, 3435904), (128, 2040068), (136, 1920064), (152, 1717952), (256, 1020034), (272, 960032), (304, 858976), (323, 808448), (512, 510017), (544, 480016), (608, 429488), (646, 404224), (1088, 240008), (1216, 214744), (1292, 202112), (1579, 165376), (2176, 120004), (2432, 107372), (2584, 101056), (3158, 82688), (4352, 60002), (4864, 53686), (5168, 50528), (6316, 41344), (8704, 30001), (9728, 26843), (10336, 25264), (12632, 20672)]