71631040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:354

約数の個数: 112

約数和(自身を含む): 187159392

約数和(自身を除く): 115528352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 67, 80, 104, 130, 134, 160, 208, 257, 260, 268, 320, 335, 416, 514, 520, 536, 670, 832, 871, 1028, 1040, 1072, 1285, 1340, 1742, 2056, 2080, 2144, 2570, 2680, 3341, 3484, 4112, 4160, 4288, 4355, 5140, 5360, 6682, 6968, 8224, 8710, 10280, 10720, 13364, 13936, 16448, 16705, 17219, 17420, 20560, 21440, 26728, 27872, 33410, 34438, 34840, 41120, 53456, 55744, 66820, 68876, 69680, 82240, 86095, 106912, 133640, 137752, 139360, 172190, 213824, 223847, 267280, 275504, 278720, 344380, 447694, 534560, 551008, 688760, 895388, 1069120, 1102016, 1119235, 1377520, 1790776, 2238470, 2755040, 3581552, 4476940, 5510080, 7163104, 8953880, 14326208, 17907760, 35815520, 71631040]

約数ペア:

[(1, 71631040), (2, 35815520), (4, 17907760), (5, 14326208), (8, 8953880), (10, 7163104), (13, 5510080), (16, 4476940), (20, 3581552), (26, 2755040), (32, 2238470), (40, 1790776), (52, 1377520), (64, 1119235), (65, 1102016), (67, 1069120), (80, 895388), (104, 688760), (130, 551008), (134, 534560), (160, 447694), (208, 344380), (257, 278720), (260, 275504), (268, 267280), (320, 223847), (335, 213824), (416, 172190), (514, 139360), (520, 137752), (536, 133640), (670, 106912), (832, 86095), (871, 82240), (1028, 69680), (1040, 68876), (1072, 66820), (1285, 55744), (1340, 53456), (1742, 41120), (2056, 34840), (2080, 34438), (2144, 33410), (2570, 27872), (2680, 26728), (3341, 21440), (3484, 20560), (4112, 17420), (4160, 17219), (4288, 16705), (4355, 16448), (5140, 13936), (5360, 13364), (6682, 10720), (6968, 10280), (8224, 8710)]