123169280

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3701}}^1$

素因数の和:3737

約数の個数: 80

約数和(自身を含む): 318120264

約数和(自身を除く): 194950984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 3328, 3701, 4160, 6656, 7402, 8320, 14804, 16640, 18505, 29608, 33280, 37010, 48113, 59216, 74020, 96226, 118432, 148040, 192452, 236864, 240565, 296080, 384904, 473728, 481130, 592160, 769808, 947456, 962260, 1184320, 1539616, 1894912, 1924520, 2368640, 3079232, 3849040, 4737280, 6158464, 7698080, 9474560, 12316928, 15396160, 24633856, 30792320, 61584640, 123169280]

約数ペア:

[(1, 123169280), (2, 61584640), (4, 30792320), (5, 24633856), (8, 15396160), (10, 12316928), (13, 9474560), (16, 7698080), (20, 6158464), (26, 4737280), (32, 3849040), (40, 3079232), (52, 2368640), (64, 1924520), (65, 1894912), (80, 1539616), (104, 1184320), (128, 962260), (130, 947456), (160, 769808), (208, 592160), (256, 481130), (260, 473728), (320, 384904), (416, 296080), (512, 240565), (520, 236864), (640, 192452), (832, 148040), (1040, 118432), (1280, 96226), (1664, 74020), (2080, 59216), (2560, 48113), (3328, 37010), (3701, 33280), (4160, 29608), (6656, 18505), (7402, 16640), (8320, 14804)]