67575040

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 181310976

約数和(自身を除く): 113735936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 131, 155, 160, 208, 248, 256, 260, 262, 310, 320, 403, 416, 496, 520, 524, 620, 640, 655, 806, 832, 992, 1040, 1048, 1240, 1280, 1310, 1612, 1664, 1703, 1984, 2015, 2080, 2096, 2480, 2620, 3224, 3328, 3406, 3968, 4030, 4061, 4160, 4192, 4960, 5240, 6448, 6812, 7936, 8060, 8122, 8320, 8384, 8515, 9920, 10480, 12896, 13624, 16120, 16244, 16640, 16768, 17030, 19840, 20305, 20960, 25792, 27248, 32240, 32488, 33536, 34060, 39680, 40610, 41920, 51584, 52793, 54496, 64480, 64976, 68120, 81220, 83840, 103168, 105586, 108992, 128960, 129952, 136240, 162440, 167680, 211172, 217984, 257920, 259904, 263965, 272480, 324880, 422344, 435968, 515840, 519808, 527930, 544960, 649760, 844688, 1039616, 1055860, 1089920, 1299520, 1689376, 2111720, 2179840, 2599040, 3378752, 4223440, 5198080, 6757504, 8446880, 13515008, 16893760, 33787520, 67575040]

約数ペア:

[(1, 67575040), (2, 33787520), (4, 16893760), (5, 13515008), (8, 8446880), (10, 6757504), (13, 5198080), (16, 4223440), (20, 3378752), (26, 2599040), (31, 2179840), (32, 2111720), (40, 1689376), (52, 1299520), (62, 1089920), (64, 1055860), (65, 1039616), (80, 844688), (104, 649760), (124, 544960), (128, 527930), (130, 519808), (131, 515840), (155, 435968), (160, 422344), (208, 324880), (248, 272480), (256, 263965), (260, 259904), (262, 257920), (310, 217984), (320, 211172), (403, 167680), (416, 162440), (496, 136240), (520, 129952), (524, 128960), (620, 108992), (640, 105586), (655, 103168), (806, 83840), (832, 81220), (992, 68120), (1040, 64976), (1048, 64480), (1240, 54496), (1280, 52793), (1310, 51584), (1612, 41920), (1664, 40610), (1703, 39680), (1984, 34060), (2015, 33536), (2080, 32488), (2096, 32240), (2480, 27248), (2620, 25792), (3224, 20960), (3328, 20305), (3406, 19840), (3968, 17030), (4030, 16768), (4061, 16640), (4160, 16244), (4192, 16120), (4960, 13624), (5240, 12896), (6448, 10480), (6812, 9920), (7936, 8515), (8060, 8384), (8122, 8320)]