80841180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:944

約数の個数: 144

約数和(自身を含む): 272111616

約数和(自身を除く): 191270436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 887, 930, 980, 1085, 1302, 1470, 1519, 1774, 1860, 2170, 2604, 2661, 2940, 3038, 3255, 3548, 4340, 4435, 4557, 5322, 6076, 6209, 6510, 7595, 8870, 9114, 10644, 12418, 13020, 13305, 15190, 17740, 18228, 18627, 22785, 24836, 26610, 27497, 30380, 31045, 37254, 43463, 45570, 53220, 54994, 62090, 74508, 82491, 86926, 91140, 93135, 109988, 124180, 130389, 137485, 164982, 173852, 186270, 192479, 217315, 260778, 274970, 329964, 372540, 384958, 412455, 434630, 521556, 549940, 577437, 651945, 769916, 824910, 869260, 962395, 1154874, 1303890, 1347353, 1649820, 1924790, 2309748, 2607780, 2694706, 2887185, 3849580, 4042059, 5389412, 5774370, 6736765, 8084118, 11548740, 13473530, 16168236, 20210295, 26947060, 40420590, 80841180]

約数ペア:

[(1, 80841180), (2, 40420590), (3, 26947060), (4, 20210295), (5, 16168236), (6, 13473530), (7, 11548740), (10, 8084118), (12, 6736765), (14, 5774370), (15, 5389412), (20, 4042059), (21, 3849580), (28, 2887185), (30, 2694706), (31, 2607780), (35, 2309748), (42, 1924790), (49, 1649820), (60, 1347353), (62, 1303890), (70, 1154874), (84, 962395), (93, 869260), (98, 824910), (105, 769916), (124, 651945), (140, 577437), (147, 549940), (155, 521556), (186, 434630), (196, 412455), (210, 384958), (217, 372540), (245, 329964), (294, 274970), (310, 260778), (372, 217315), (420, 192479), (434, 186270), (465, 173852), (490, 164982), (588, 137485), (620, 130389), (651, 124180), (735, 109988), (868, 93135), (887, 91140), (930, 86926), (980, 82491), (1085, 74508), (1302, 62090), (1470, 54994), (1519, 53220), (1774, 45570), (1860, 43463), (2170, 37254), (2604, 31045), (2661, 30380), (2940, 27497), (3038, 26610), (3255, 24836), (3548, 22785), (4340, 18627), (4435, 18228), (4557, 17740), (5322, 15190), (6076, 13305), (6209, 13020), (6510, 12418), (7595, 10644), (8870, 9114)]