20145128910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:351

約数の個数: 256

約数和(自身を含む): 53473001472

約数和(自身を除く): 33327872562

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 71, 73, 86, 115, 129, 131, 138, 142, 146, 213, 215, 219, 230, 258, 262, 345, 355, 365, 393, 426, 430, 438, 645, 655, 690, 710, 730, 786, 989, 1065, 1095, 1290, 1310, 1633, 1679, 1965, 1978, 2130, 2190, 2967, 3013, 3053, 3139, 3266, 3358, 3930, 4899, 4945, 5037, 5183, 5633, 5934, 6026, 6106, 6278, 8165, 8395, 9039, 9159, 9301, 9417, 9563, 9798, 9890, 10074, 10366, 11266, 14835, 15065, 15265, 15549, 15695, 16330, 16790, 16899, 18078, 18318, 18602, 18834, 19126, 24495, 25185, 25915, 27903, 28165, 28689, 29670, 30130, 30530, 31098, 31390, 33798, 45195, 45795, 46505, 47085, 47815, 48990, 50370, 51830, 55806, 56330, 57378, 70219, 72197, 77745, 84495, 90390, 91590, 93010, 94170, 95630, 119209, 129559, 139515, 140438, 143445, 144394, 155490, 168990, 210657, 213923, 216591, 219949, 222869, 238418, 259118, 279030, 286890, 351095, 357627, 360985, 388677, 399943, 411209, 421314, 427846, 433182, 439898, 445738, 596045, 641769, 647795, 659847, 668607, 678973, 702190, 715254, 721970, 777354, 799886, 822418, 1053285, 1069615, 1082955, 1099745, 1114345, 1192090, 1199829, 1233627, 1283538, 1295590, 1319694, 1337214, 1357946, 1788135, 1943385, 1999715, 2036919, 2056045, 2106570, 2139230, 2165910, 2199490, 2228690, 2399658, 2467254, 3208845, 3299235, 3343035, 3394865, 3576270, 3886770, 3999430, 4073838, 4112090, 5125987, 5999145, 6168135, 6417690, 6598470, 6686070, 6789730, 9198689, 9457807, 10184595, 10251974, 11998290, 12336270, 15377961, 15616379, 18397378, 18915614, 20369190, 25629935, 27596067, 28373421, 29195839, 30755922, 31232758, 45993445, 46849137, 47289035, 51259870, 55192134, 56746842, 58391678, 76889805, 78081895, 87587517, 91986890, 93698274, 94578070, 137980335, 141867105, 145979195, 153779610, 156163790, 175175034, 234245685, 275960670, 283734210, 291958390, 437937585, 468491370, 671504297, 875875170, 1343008594, 2014512891, 3357521485, 4029025782, 6715042970, 10072564455, 20145128910]

約数ペア:

[(1, 20145128910), (2, 10072564455), (3, 6715042970), (5, 4029025782), (6, 3357521485), (10, 2014512891), (15, 1343008594), (23, 875875170), (30, 671504297), (43, 468491370), (46, 437937585), (69, 291958390), (71, 283734210), (73, 275960670), (86, 234245685), (115, 175175034), (129, 156163790), (131, 153779610), (138, 145979195), (142, 141867105), (146, 137980335), (213, 94578070), (215, 93698274), (219, 91986890), (230, 87587517), (258, 78081895), (262, 76889805), (345, 58391678), (355, 56746842), (365, 55192134), (393, 51259870), (426, 47289035), (430, 46849137), (438, 45993445), (645, 31232758), (655, 30755922), (690, 29195839), (710, 28373421), (730, 27596067), (786, 25629935), (989, 20369190), (1065, 18915614), (1095, 18397378), (1290, 15616379), (1310, 15377961), (1633, 12336270), (1679, 11998290), (1965, 10251974), (1978, 10184595), (2130, 9457807), (2190, 9198689), (2967, 6789730), (3013, 6686070), (3053, 6598470), (3139, 6417690), (3266, 6168135), (3358, 5999145), (3930, 5125987), (4899, 4112090), (4945, 4073838), (5037, 3999430), (5183, 3886770), (5633, 3576270), (5934, 3394865), (6026, 3343035), (6106, 3299235), (6278, 3208845), (8165, 2467254), (8395, 2399658), (9039, 2228690), (9159, 2199490), (9301, 2165910), (9417, 2139230), (9563, 2106570), (9798, 2056045), (9890, 2036919), (10074, 1999715), (10366, 1943385), (11266, 1788135), (14835, 1357946), (15065, 1337214), (15265, 1319694), (15549, 1295590), (15695, 1283538), (16330, 1233627), (16790, 1199829), (16899, 1192090), (18078, 1114345), (18318, 1099745), (18602, 1082955), (18834, 1069615), (19126, 1053285), (24495, 822418), (25185, 799886), (25915, 777354), (27903, 721970), (28165, 715254), (28689, 702190), (29670, 678973), (30130, 668607), (30530, 659847), (31098, 647795), (31390, 641769), (33798, 596045), (45195, 445738), (45795, 439898), (46505, 433182), (47085, 427846), (47815, 421314), (48990, 411209), (50370, 399943), (51830, 388677), (55806, 360985), (56330, 357627), (57378, 351095), (70219, 286890), (72197, 279030), (77745, 259118), (84495, 238418), (90390, 222869), (91590, 219949), (93010, 216591), (94170, 213923), (95630, 210657), (119209, 168990), (129559, 155490), (139515, 144394), (140438, 143445)]