71683640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11131}}^1$

素因数の和:11172

約数の個数: 64

約数和(自身を含む): 192360960

約数和(自身を除く): 120677320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 11131, 22262, 44524, 55655, 77917, 89048, 111310, 155834, 222620, 256013, 311668, 389585, 445240, 512026, 623336, 779170, 1024052, 1280065, 1558340, 1792091, 2048104, 2560130, 3116680, 3584182, 5120260, 7168364, 8960455, 10240520, 14336728, 17920910, 35841820, 71683640]

約数ペア:

[(1, 71683640), (2, 35841820), (4, 17920910), (5, 14336728), (7, 10240520), (8, 8960455), (10, 7168364), (14, 5120260), (20, 3584182), (23, 3116680), (28, 2560130), (35, 2048104), (40, 1792091), (46, 1558340), (56, 1280065), (70, 1024052), (92, 779170), (115, 623336), (140, 512026), (161, 445240), (184, 389585), (230, 311668), (280, 256013), (322, 222620), (460, 155834), (644, 111310), (805, 89048), (920, 77917), (1288, 55655), (1610, 44524), (3220, 22262), (6440, 11131)]