42720984

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 120126240

約数和(自身を除く): 77405256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 71, 72, 122, 137, 142, 183, 213, 244, 274, 284, 366, 411, 426, 488, 548, 549, 568, 639, 732, 822, 852, 1096, 1098, 1233, 1278, 1464, 1644, 1704, 2196, 2466, 2556, 3288, 4331, 4392, 4932, 5112, 8357, 8662, 9727, 9864, 12993, 16714, 17324, 19454, 25071, 25986, 29181, 33428, 34648, 38908, 38979, 50142, 51972, 58362, 66856, 75213, 77816, 77958, 87543, 100284, 103944, 116724, 150426, 155916, 175086, 200568, 233448, 300852, 311832, 350172, 593347, 601704, 700344, 1186694, 1780041, 2373388, 3560082, 4746776, 5340123, 7120164, 10680246, 14240328, 21360492, 42720984]

約数ペア:

[(1, 42720984), (2, 21360492), (3, 14240328), (4, 10680246), (6, 7120164), (8, 5340123), (9, 4746776), (12, 3560082), (18, 2373388), (24, 1780041), (36, 1186694), (61, 700344), (71, 601704), (72, 593347), (122, 350172), (137, 311832), (142, 300852), (183, 233448), (213, 200568), (244, 175086), (274, 155916), (284, 150426), (366, 116724), (411, 103944), (426, 100284), (488, 87543), (548, 77958), (549, 77816), (568, 75213), (639, 66856), (732, 58362), (822, 51972), (852, 50142), (1096, 38979), (1098, 38908), (1233, 34648), (1278, 33428), (1464, 29181), (1644, 25986), (1704, 25071), (2196, 19454), (2466, 17324), (2556, 16714), (3288, 12993), (4331, 9864), (4392, 9727), (4932, 8662), (5112, 8357)]