84221680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{827}}^1$

素因数の和:926

約数の個数: 80

約数和(自身を含む): 209450880

約数和(自身を除く): 125229200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 67, 76, 80, 95, 134, 152, 190, 268, 304, 335, 380, 536, 670, 760, 827, 1072, 1273, 1340, 1520, 1654, 2546, 2680, 3308, 4135, 5092, 5360, 6365, 6616, 8270, 10184, 12730, 13232, 15713, 16540, 20368, 25460, 31426, 33080, 50920, 55409, 62852, 66160, 78565, 101840, 110818, 125704, 157130, 221636, 251408, 277045, 314260, 443272, 554090, 628520, 886544, 1052771, 1108180, 1257040, 2105542, 2216360, 4211084, 4432720, 5263855, 8422168, 10527710, 16844336, 21055420, 42110840, 84221680]

約数ペア:

[(1, 84221680), (2, 42110840), (4, 21055420), (5, 16844336), (8, 10527710), (10, 8422168), (16, 5263855), (19, 4432720), (20, 4211084), (38, 2216360), (40, 2105542), (67, 1257040), (76, 1108180), (80, 1052771), (95, 886544), (134, 628520), (152, 554090), (190, 443272), (268, 314260), (304, 277045), (335, 251408), (380, 221636), (536, 157130), (670, 125704), (760, 110818), (827, 101840), (1072, 78565), (1273, 66160), (1340, 62852), (1520, 55409), (1654, 50920), (2546, 33080), (2680, 31426), (3308, 25460), (4135, 20368), (5092, 16540), (5360, 15713), (6365, 13232), (6616, 12730), (8270, 10184)]