129304040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 326592000

約数和(自身を除く): 197287960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 79, 83, 85, 116, 136, 145, 158, 166, 170, 232, 290, 316, 332, 340, 395, 415, 493, 580, 632, 664, 680, 790, 830, 986, 1160, 1343, 1411, 1580, 1660, 1972, 2291, 2407, 2465, 2686, 2822, 3160, 3320, 3944, 4582, 4814, 4930, 5372, 5644, 6557, 6715, 7055, 9164, 9628, 9860, 10744, 11288, 11455, 12035, 13114, 13430, 14110, 18328, 19256, 19720, 22910, 24070, 26228, 26860, 28220, 32785, 38947, 40919, 45820, 48140, 52456, 53720, 56440, 65570, 77894, 81838, 91640, 96280, 111469, 131140, 155788, 163676, 190153, 194735, 204595, 222938, 262280, 311576, 327352, 380306, 389470, 409190, 445876, 557345, 760612, 778940, 818380, 891752, 950765, 1114690, 1521224, 1557880, 1636760, 1901530, 2229380, 3232601, 3803060, 4458760, 6465202, 7606120, 12930404, 16163005, 25860808, 32326010, 64652020, 129304040]

約数ペア:

[(1, 129304040), (2, 64652020), (4, 32326010), (5, 25860808), (8, 16163005), (10, 12930404), (17, 7606120), (20, 6465202), (29, 4458760), (34, 3803060), (40, 3232601), (58, 2229380), (68, 1901530), (79, 1636760), (83, 1557880), (85, 1521224), (116, 1114690), (136, 950765), (145, 891752), (158, 818380), (166, 778940), (170, 760612), (232, 557345), (290, 445876), (316, 409190), (332, 389470), (340, 380306), (395, 327352), (415, 311576), (493, 262280), (580, 222938), (632, 204595), (664, 194735), (680, 190153), (790, 163676), (830, 155788), (986, 131140), (1160, 111469), (1343, 96280), (1411, 91640), (1580, 81838), (1660, 77894), (1972, 65570), (2291, 56440), (2407, 53720), (2465, 52456), (2686, 48140), (2822, 45820), (3160, 40919), (3320, 38947), (3944, 32785), (4582, 28220), (4814, 26860), (4930, 26228), (5372, 24070), (5644, 22910), (6557, 19720), (6715, 19256), (7055, 18328), (9164, 14110), (9628, 13430), (9860, 13114), (10744, 12035), (11288, 11455)]