64611820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 168892416

約数和(自身を除く): 104280596

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 131, 140, 182, 260, 262, 271, 364, 455, 524, 542, 655, 910, 917, 1084, 1310, 1355, 1703, 1820, 1834, 1897, 2620, 2710, 3406, 3523, 3668, 3794, 4585, 5420, 6812, 7046, 7588, 8515, 9170, 9485, 11921, 14092, 17030, 17615, 18340, 18970, 23842, 24661, 34060, 35230, 35501, 37940, 47684, 49322, 59605, 70460, 71002, 98644, 119210, 123305, 142004, 177505, 238420, 246610, 248507, 355010, 461513, 493220, 497014, 710020, 923026, 994028, 1242535, 1846052, 2307565, 2485070, 3230591, 4615130, 4970140, 6461182, 9230260, 12922364, 16152955, 32305910, 64611820]

約数ペア:

[(1, 64611820), (2, 32305910), (4, 16152955), (5, 12922364), (7, 9230260), (10, 6461182), (13, 4970140), (14, 4615130), (20, 3230591), (26, 2485070), (28, 2307565), (35, 1846052), (52, 1242535), (65, 994028), (70, 923026), (91, 710020), (130, 497014), (131, 493220), (140, 461513), (182, 355010), (260, 248507), (262, 246610), (271, 238420), (364, 177505), (455, 142004), (524, 123305), (542, 119210), (655, 98644), (910, 71002), (917, 70460), (1084, 59605), (1310, 49322), (1355, 47684), (1703, 37940), (1820, 35501), (1834, 35230), (1897, 34060), (2620, 24661), (2710, 23842), (3406, 18970), (3523, 18340), (3668, 17615), (3794, 17030), (4585, 14092), (5420, 11921), (6812, 9485), (7046, 9170), (7588, 8515)]