68573440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{317}}^1$

素因数の和:364

約数の個数: 108

約数和(自身を含む): 178422804

約数和(自身を除く): 109849364

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 256, 260, 317, 320, 338, 416, 520, 634, 640, 676, 832, 845, 1040, 1268, 1280, 1352, 1585, 1664, 1690, 2080, 2536, 2704, 3170, 3328, 3380, 4121, 4160, 5072, 5408, 6340, 6760, 8242, 8320, 10144, 10816, 12680, 13520, 16484, 16640, 20288, 20605, 21632, 25360, 27040, 32968, 40576, 41210, 43264, 50720, 53573, 54080, 65936, 81152, 82420, 101440, 107146, 108160, 131872, 164840, 202880, 214292, 216320, 263744, 267865, 329680, 405760, 428584, 527488, 535730, 659360, 857168, 1054976, 1071460, 1318720, 1714336, 2142920, 2637440, 3428672, 4285840, 5274880, 6857344, 8571680, 13714688, 17143360, 34286720, 68573440]

約数ペア:

[(1, 68573440), (2, 34286720), (4, 17143360), (5, 13714688), (8, 8571680), (10, 6857344), (13, 5274880), (16, 4285840), (20, 3428672), (26, 2637440), (32, 2142920), (40, 1714336), (52, 1318720), (64, 1071460), (65, 1054976), (80, 857168), (104, 659360), (128, 535730), (130, 527488), (160, 428584), (169, 405760), (208, 329680), (256, 267865), (260, 263744), (317, 216320), (320, 214292), (338, 202880), (416, 164840), (520, 131872), (634, 108160), (640, 107146), (676, 101440), (832, 82420), (845, 81152), (1040, 65936), (1268, 54080), (1280, 53573), (1352, 50720), (1585, 43264), (1664, 41210), (1690, 40576), (2080, 32968), (2536, 27040), (2704, 25360), (3170, 21632), (3328, 20605), (3380, 20288), (4121, 16640), (4160, 16484), (5072, 13520), (5408, 12680), (6340, 10816), (6760, 10144), (8242, 8320)]