260303264

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:542

約数の個数: 72

約数和(自身を含む): 560770560

約数和(自身を除く): 300467296

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 127, 169, 208, 254, 338, 379, 416, 508, 676, 758, 1016, 1352, 1516, 1651, 2032, 2704, 3032, 3302, 4064, 4927, 5408, 6064, 6604, 9854, 12128, 13208, 19708, 21463, 26416, 39416, 42926, 48133, 52832, 64051, 78832, 85852, 96266, 128102, 157664, 171704, 192532, 256204, 343408, 385064, 512408, 625729, 686816, 770128, 1024816, 1251458, 1540256, 2049632, 2502916, 5005832, 8134477, 10011664, 16268954, 20023328, 32537908, 65075816, 130151632, 260303264]

約数ペア:

[(1, 260303264), (2, 130151632), (4, 65075816), (8, 32537908), (13, 20023328), (16, 16268954), (26, 10011664), (32, 8134477), (52, 5005832), (104, 2502916), (127, 2049632), (169, 1540256), (208, 1251458), (254, 1024816), (338, 770128), (379, 686816), (416, 625729), (508, 512408), (676, 385064), (758, 343408), (1016, 256204), (1352, 192532), (1516, 171704), (1651, 157664), (2032, 128102), (2704, 96266), (3032, 85852), (3302, 78832), (4064, 64051), (4927, 52832), (5408, 48133), (6064, 42926), (6604, 39416), (9854, 26416), (12128, 21463), (13208, 19708)]