78606580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 186278400

約数和(自身を除く): 107671820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 79, 86, 89, 130, 158, 172, 178, 215, 260, 316, 356, 395, 430, 445, 559, 790, 860, 890, 1027, 1118, 1157, 1580, 1780, 2054, 2236, 2314, 2795, 3397, 3827, 4108, 4628, 5135, 5590, 5785, 6794, 7031, 7654, 10270, 11180, 11570, 13588, 14062, 15308, 16985, 19135, 20540, 23140, 28124, 33970, 35155, 38270, 44161, 49751, 67940, 70310, 76540, 88322, 91403, 99502, 140620, 176644, 182806, 199004, 220805, 248755, 302333, 365612, 441610, 457015, 497510, 604666, 883220, 914030, 995020, 1209332, 1511665, 1828060, 3023330, 3930329, 6046660, 7860658, 15721316, 19651645, 39303290, 78606580]

約数ペア:

[(1, 78606580), (2, 39303290), (4, 19651645), (5, 15721316), (10, 7860658), (13, 6046660), (20, 3930329), (26, 3023330), (43, 1828060), (52, 1511665), (65, 1209332), (79, 995020), (86, 914030), (89, 883220), (130, 604666), (158, 497510), (172, 457015), (178, 441610), (215, 365612), (260, 302333), (316, 248755), (356, 220805), (395, 199004), (430, 182806), (445, 176644), (559, 140620), (790, 99502), (860, 91403), (890, 88322), (1027, 76540), (1118, 70310), (1157, 67940), (1580, 49751), (1780, 44161), (2054, 38270), (2236, 35155), (2314, 33970), (2795, 28124), (3397, 23140), (3827, 20540), (4108, 19135), (4628, 16985), (5135, 15308), (5590, 14062), (5785, 13588), (6794, 11570), (7031, 11180), (7654, 10270)]