77181615

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 172860480

約数和(自身を除く): 95678865

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 29, 35, 45, 49, 51, 63, 71, 85, 87, 105, 119, 145, 147, 153, 203, 213, 245, 255, 261, 315, 355, 357, 435, 441, 493, 497, 595, 609, 639, 735, 765, 833, 1015, 1065, 1071, 1207, 1305, 1421, 1479, 1491, 1785, 1827, 2059, 2205, 2465, 2485, 2499, 3045, 3195, 3451, 3479, 3621, 4165, 4263, 4437, 4473, 5355, 6035, 6177, 7105, 7395, 7455, 7497, 8449, 9135, 10295, 10353, 10437, 10863, 12495, 12789, 14413, 17255, 17395, 18105, 18531, 21315, 22185, 22365, 24157, 25347, 30885, 31059, 31311, 35003, 37485, 42245, 43239, 51765, 52185, 54315, 59143, 63945, 72065, 72471, 76041, 92655, 100891, 105009, 120785, 126735, 129717, 155295, 156555, 175015, 177429, 216195, 217413, 245021, 295715, 302673, 315027, 362355, 380205, 504455, 525045, 532287, 648585, 735063, 887145, 908019, 1087065, 1225105, 1513365, 1575135, 1715147, 2205189, 2661435, 3675315, 4540095, 5145441, 8575735, 11025945, 15436323, 25727205, 77181615]

約数ペア:

[(1, 77181615), (3, 25727205), (5, 15436323), (7, 11025945), (9, 8575735), (15, 5145441), (17, 4540095), (21, 3675315), (29, 2661435), (35, 2205189), (45, 1715147), (49, 1575135), (51, 1513365), (63, 1225105), (71, 1087065), (85, 908019), (87, 887145), (105, 735063), (119, 648585), (145, 532287), (147, 525045), (153, 504455), (203, 380205), (213, 362355), (245, 315027), (255, 302673), (261, 295715), (315, 245021), (355, 217413), (357, 216195), (435, 177429), (441, 175015), (493, 156555), (497, 155295), (595, 129717), (609, 126735), (639, 120785), (735, 105009), (765, 100891), (833, 92655), (1015, 76041), (1065, 72471), (1071, 72065), (1207, 63945), (1305, 59143), (1421, 54315), (1479, 52185), (1491, 51765), (1785, 43239), (1827, 42245), (2059, 37485), (2205, 35003), (2465, 31311), (2485, 31059), (2499, 30885), (3045, 25347), (3195, 24157), (3451, 22365), (3479, 22185), (3621, 21315), (4165, 18531), (4263, 18105), (4437, 17395), (4473, 17255), (5355, 14413), (6035, 12789), (6177, 12495), (7105, 10863), (7395, 10437), (7455, 10353), (7497, 10295), (8449, 9135)]