156745820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:544

約数の個数: 144

約数和(自身を含む): 436154880

約数和(自身を除く): 279409060

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 121, 133, 140, 154, 190, 209, 220, 242, 266, 308, 380, 385, 418, 484, 487, 532, 605, 665, 770, 836, 847, 974, 1045, 1210, 1330, 1463, 1540, 1694, 1948, 2090, 2299, 2420, 2435, 2660, 2926, 3388, 3409, 4180, 4235, 4598, 4870, 5357, 5852, 6818, 7315, 8470, 9196, 9253, 9740, 10714, 11495, 13636, 14630, 16093, 16940, 17045, 18506, 21428, 22990, 26785, 29260, 32186, 34090, 37012, 37499, 45980, 46265, 53570, 58927, 64372, 64771, 68180, 74998, 80465, 92530, 101783, 107140, 117854, 129542, 149996, 160930, 185060, 187495, 203566, 235708, 259084, 294635, 321860, 323855, 374990, 407132, 412489, 508915, 589270, 647710, 712481, 749980, 824978, 1017830, 1119613, 1178540, 1295420, 1424962, 1649956, 2035660, 2062445, 2239226, 2849924, 3562405, 4124890, 4478452, 5598065, 7124810, 7837291, 8249780, 11196130, 14249620, 15674582, 22392260, 31349164, 39186455, 78372910, 156745820]

約数ペア:

[(1, 156745820), (2, 78372910), (4, 39186455), (5, 31349164), (7, 22392260), (10, 15674582), (11, 14249620), (14, 11196130), (19, 8249780), (20, 7837291), (22, 7124810), (28, 5598065), (35, 4478452), (38, 4124890), (44, 3562405), (55, 2849924), (70, 2239226), (76, 2062445), (77, 2035660), (95, 1649956), (110, 1424962), (121, 1295420), (133, 1178540), (140, 1119613), (154, 1017830), (190, 824978), (209, 749980), (220, 712481), (242, 647710), (266, 589270), (308, 508915), (380, 412489), (385, 407132), (418, 374990), (484, 323855), (487, 321860), (532, 294635), (605, 259084), (665, 235708), (770, 203566), (836, 187495), (847, 185060), (974, 160930), (1045, 149996), (1210, 129542), (1330, 117854), (1463, 107140), (1540, 101783), (1694, 92530), (1948, 80465), (2090, 74998), (2299, 68180), (2420, 64771), (2435, 64372), (2660, 58927), (2926, 53570), (3388, 46265), (3409, 45980), (4180, 37499), (4235, 37012), (4598, 34090), (4870, 32186), (5357, 29260), (5852, 26785), (6818, 22990), (7315, 21428), (8470, 18506), (9196, 17045), (9253, 16940), (9740, 16093), (10714, 14630), (11495, 13636)]