71689590

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:563

約数の個数: 128

約数和(自身を含む): 221598720

約数和(自身を除く): 149909130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 83, 90, 105, 126, 135, 166, 189, 210, 249, 270, 315, 378, 415, 457, 498, 581, 630, 747, 830, 914, 945, 1162, 1245, 1371, 1494, 1743, 1890, 2241, 2285, 2490, 2742, 2905, 3199, 3486, 3735, 4113, 4482, 4570, 5229, 5810, 6398, 6855, 7470, 8226, 8715, 9597, 10458, 11205, 12339, 13710, 15687, 15995, 17430, 19194, 20565, 22410, 24678, 26145, 28791, 31374, 31990, 37931, 41130, 47985, 52290, 57582, 61695, 75862, 78435, 86373, 95970, 113793, 123390, 143955, 156870, 172746, 189655, 227586, 265517, 287910, 341379, 379310, 431865, 531034, 568965, 682758, 796551, 863730, 1024137, 1137930, 1327585, 1593102, 1706895, 2048274, 2389653, 2655170, 3413790, 3982755, 4779306, 5120685, 7168959, 7965510, 10241370, 11948265, 14337918, 23896530, 35844795, 71689590]

約数ペア:

[(1, 71689590), (2, 35844795), (3, 23896530), (5, 14337918), (6, 11948265), (7, 10241370), (9, 7965510), (10, 7168959), (14, 5120685), (15, 4779306), (18, 3982755), (21, 3413790), (27, 2655170), (30, 2389653), (35, 2048274), (42, 1706895), (45, 1593102), (54, 1327585), (63, 1137930), (70, 1024137), (83, 863730), (90, 796551), (105, 682758), (126, 568965), (135, 531034), (166, 431865), (189, 379310), (210, 341379), (249, 287910), (270, 265517), (315, 227586), (378, 189655), (415, 172746), (457, 156870), (498, 143955), (581, 123390), (630, 113793), (747, 95970), (830, 86373), (914, 78435), (945, 75862), (1162, 61695), (1245, 57582), (1371, 52290), (1494, 47985), (1743, 41130), (1890, 37931), (2241, 31990), (2285, 31374), (2490, 28791), (2742, 26145), (2905, 24678), (3199, 22410), (3486, 20565), (3735, 19194), (4113, 17430), (4482, 15995), (4570, 15687), (5229, 13710), (5810, 12339), (6398, 11205), (6855, 10458), (7470, 9597), (8226, 8715)]