81313008

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:355

約数の個数: 160

約数和(自身を含む): 259031040

約数和(自身を除く): 177718032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 47, 48, 56, 57, 76, 84, 94, 112, 114, 133, 141, 152, 168, 188, 228, 266, 271, 282, 304, 329, 336, 376, 399, 456, 532, 542, 564, 658, 752, 798, 813, 893, 912, 987, 1064, 1084, 1128, 1316, 1596, 1626, 1786, 1897, 1974, 2128, 2168, 2256, 2632, 2679, 3192, 3252, 3572, 3794, 3948, 4336, 5149, 5264, 5358, 5691, 6251, 6384, 6504, 7144, 7588, 7896, 10298, 10716, 11382, 12502, 12737, 13008, 14288, 15176, 15447, 15792, 18753, 20596, 21432, 22764, 25004, 25474, 30352, 30894, 36043, 37506, 38211, 41192, 42864, 45528, 50008, 50948, 61788, 72086, 75012, 76422, 82384, 89159, 91056, 100016, 101896, 108129, 123576, 144172, 150024, 152844, 178318, 203792, 216258, 242003, 247152, 267477, 288344, 300048, 305688, 356636, 432516, 484006, 534954, 576688, 611376, 713272, 726009, 865032, 968012, 1069908, 1426544, 1452018, 1694021, 1730064, 1936024, 2139816, 2904036, 3388042, 3872048, 4279632, 5082063, 5808072, 6776084, 10164126, 11616144, 13552168, 20328252, 27104336, 40656504, 81313008]

約数ペア:

[(1, 81313008), (2, 40656504), (3, 27104336), (4, 20328252), (6, 13552168), (7, 11616144), (8, 10164126), (12, 6776084), (14, 5808072), (16, 5082063), (19, 4279632), (21, 3872048), (24, 3388042), (28, 2904036), (38, 2139816), (42, 1936024), (47, 1730064), (48, 1694021), (56, 1452018), (57, 1426544), (76, 1069908), (84, 968012), (94, 865032), (112, 726009), (114, 713272), (133, 611376), (141, 576688), (152, 534954), (168, 484006), (188, 432516), (228, 356636), (266, 305688), (271, 300048), (282, 288344), (304, 267477), (329, 247152), (336, 242003), (376, 216258), (399, 203792), (456, 178318), (532, 152844), (542, 150024), (564, 144172), (658, 123576), (752, 108129), (798, 101896), (813, 100016), (893, 91056), (912, 89159), (987, 82384), (1064, 76422), (1084, 75012), (1128, 72086), (1316, 61788), (1596, 50948), (1626, 50008), (1786, 45528), (1897, 42864), (1974, 41192), (2128, 38211), (2168, 37506), (2256, 36043), (2632, 30894), (2679, 30352), (3192, 25474), (3252, 25004), (3572, 22764), (3794, 21432), (3948, 20596), (4336, 18753), (5149, 15792), (5264, 15447), (5358, 15176), (5691, 14288), (6251, 13008), (6384, 12737), (6504, 12502), (7144, 11382), (7588, 10716), (7896, 10298)]