154768640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 407949696

約数和(自身を除く): 253181056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 71, 80, 104, 128, 130, 131, 142, 160, 208, 256, 260, 262, 284, 320, 355, 416, 520, 524, 568, 640, 655, 710, 832, 923, 1040, 1048, 1136, 1280, 1310, 1420, 1664, 1703, 1846, 2080, 2096, 2272, 2620, 2840, 3328, 3406, 3692, 4160, 4192, 4544, 4615, 5240, 5680, 6812, 7384, 8320, 8384, 8515, 9088, 9230, 9301, 10480, 11360, 13624, 14768, 16640, 16768, 17030, 18176, 18460, 18602, 20960, 22720, 27248, 29536, 33536, 34060, 36920, 37204, 41920, 45440, 46505, 54496, 59072, 68120, 73840, 74408, 83840, 90880, 93010, 108992, 118144, 120913, 136240, 147680, 148816, 167680, 186020, 217984, 236288, 241826, 272480, 295360, 297632, 372040, 435968, 483652, 544960, 590720, 595264, 604565, 744080, 967304, 1089920, 1181440, 1190528, 1209130, 1488160, 1934608, 2179840, 2381056, 2418260, 2976320, 3869216, 4836520, 5952640, 7738432, 9673040, 11905280, 15476864, 19346080, 30953728, 38692160, 77384320, 154768640]

約数ペア:

[(1, 154768640), (2, 77384320), (4, 38692160), (5, 30953728), (8, 19346080), (10, 15476864), (13, 11905280), (16, 9673040), (20, 7738432), (26, 5952640), (32, 4836520), (40, 3869216), (52, 2976320), (64, 2418260), (65, 2381056), (71, 2179840), (80, 1934608), (104, 1488160), (128, 1209130), (130, 1190528), (131, 1181440), (142, 1089920), (160, 967304), (208, 744080), (256, 604565), (260, 595264), (262, 590720), (284, 544960), (320, 483652), (355, 435968), (416, 372040), (520, 297632), (524, 295360), (568, 272480), (640, 241826), (655, 236288), (710, 217984), (832, 186020), (923, 167680), (1040, 148816), (1048, 147680), (1136, 136240), (1280, 120913), (1310, 118144), (1420, 108992), (1664, 93010), (1703, 90880), (1846, 83840), (2080, 74408), (2096, 73840), (2272, 68120), (2620, 59072), (2840, 54496), (3328, 46505), (3406, 45440), (3692, 41920), (4160, 37204), (4192, 36920), (4544, 34060), (4615, 33536), (5240, 29536), (5680, 27248), (6812, 22720), (7384, 20960), (8320, 18602), (8384, 18460), (8515, 18176), (9088, 17030), (9230, 16768), (9301, 16640), (10480, 14768), (11360, 13624)]