181951120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3301}}^1$

素因数の和:3380

約数の個数: 80

約数和(自身を含む): 464314032

約数和(自身を除く): 282362912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 689, 848, 1040, 1060, 1378, 2120, 2756, 3301, 3445, 4240, 5512, 6602, 6890, 11024, 13204, 13780, 16505, 26408, 27560, 33010, 42913, 52816, 55120, 66020, 85826, 132040, 171652, 174953, 214565, 264080, 343304, 349906, 429130, 686608, 699812, 858260, 874765, 1399624, 1716520, 1749530, 2274389, 2799248, 3433040, 3499060, 4548778, 6998120, 9097556, 11371945, 13996240, 18195112, 22743890, 36390224, 45487780, 90975560, 181951120]

約数ペア:

[(1, 181951120), (2, 90975560), (4, 45487780), (5, 36390224), (8, 22743890), (10, 18195112), (13, 13996240), (16, 11371945), (20, 9097556), (26, 6998120), (40, 4548778), (52, 3499060), (53, 3433040), (65, 2799248), (80, 2274389), (104, 1749530), (106, 1716520), (130, 1399624), (208, 874765), (212, 858260), (260, 699812), (265, 686608), (424, 429130), (520, 349906), (530, 343304), (689, 264080), (848, 214565), (1040, 174953), (1060, 171652), (1378, 132040), (2120, 85826), (2756, 66020), (3301, 55120), (3445, 52816), (4240, 42913), (5512, 33010), (6602, 27560), (6890, 26408), (11024, 16505), (13204, 13780)]