87891440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12073}}^1$

素因数の和:12106

約数の個数: 80

約数和(自身を含む): 251525568

約数和(自身を除く): 163634128

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 12073, 24146, 48292, 60365, 84511, 96584, 120730, 156949, 169022, 193168, 241460, 313898, 338044, 422555, 482920, 627796, 676088, 784745, 845110, 965840, 1098643, 1255592, 1352176, 1569490, 1690220, 2197286, 2511184, 3138980, 3380440, 4394572, 5493215, 6277960, 6760880, 8789144, 10986430, 12555920, 17578288, 21972860, 43945720, 87891440]

約数ペア:

[(1, 87891440), (2, 43945720), (4, 21972860), (5, 17578288), (7, 12555920), (8, 10986430), (10, 8789144), (13, 6760880), (14, 6277960), (16, 5493215), (20, 4394572), (26, 3380440), (28, 3138980), (35, 2511184), (40, 2197286), (52, 1690220), (56, 1569490), (65, 1352176), (70, 1255592), (80, 1098643), (91, 965840), (104, 845110), (112, 784745), (130, 676088), (140, 627796), (182, 482920), (208, 422555), (260, 338044), (280, 313898), (364, 241460), (455, 193168), (520, 169022), (560, 156949), (728, 120730), (910, 96584), (1040, 84511), (1456, 60365), (1820, 48292), (3640, 24146), (7280, 12073)]