128950720

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:330

約数の個数: 112

約数和(自身を含む): 327720960

約数和(自身を除く): 198770240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 127, 152, 160, 167, 190, 254, 304, 320, 334, 380, 508, 608, 635, 668, 760, 835, 1016, 1216, 1270, 1336, 1520, 1670, 2032, 2413, 2540, 2672, 3040, 3173, 3340, 4064, 4826, 5080, 5344, 6080, 6346, 6680, 8128, 9652, 10160, 10688, 12065, 12692, 13360, 15865, 19304, 20320, 21209, 24130, 25384, 26720, 31730, 38608, 40640, 42418, 48260, 50768, 53440, 63460, 77216, 84836, 96520, 101536, 106045, 126920, 154432, 169672, 193040, 203072, 212090, 253840, 339344, 386080, 402971, 424180, 507680, 678688, 772160, 805942, 848360, 1015360, 1357376, 1611884, 1696720, 2014855, 3223768, 3393440, 4029710, 6447536, 6786880, 8059420, 12895072, 16118840, 25790144, 32237680, 64475360, 128950720]

約数ペア:

[(1, 128950720), (2, 64475360), (4, 32237680), (5, 25790144), (8, 16118840), (10, 12895072), (16, 8059420), (19, 6786880), (20, 6447536), (32, 4029710), (38, 3393440), (40, 3223768), (64, 2014855), (76, 1696720), (80, 1611884), (95, 1357376), (127, 1015360), (152, 848360), (160, 805942), (167, 772160), (190, 678688), (254, 507680), (304, 424180), (320, 402971), (334, 386080), (380, 339344), (508, 253840), (608, 212090), (635, 203072), (668, 193040), (760, 169672), (835, 154432), (1016, 126920), (1216, 106045), (1270, 101536), (1336, 96520), (1520, 84836), (1670, 77216), (2032, 63460), (2413, 53440), (2540, 50768), (2672, 48260), (3040, 42418), (3173, 40640), (3340, 38608), (4064, 31730), (4826, 26720), (5080, 25384), (5344, 24130), (6080, 21209), (6346, 20320), (6680, 19304), (8128, 15865), (9652, 13360), (10160, 12692), (10688, 12065)]