68021688

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:437

約数の個数: 128

約数和(自身を含む): 206622720

約数和(自身を除く): 138601032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 37, 42, 56, 62, 74, 84, 93, 111, 124, 148, 168, 186, 217, 222, 248, 259, 296, 353, 372, 434, 444, 518, 651, 706, 744, 777, 868, 888, 1036, 1059, 1147, 1302, 1412, 1554, 1736, 2072, 2118, 2294, 2471, 2604, 2824, 3108, 3441, 4236, 4588, 4942, 5208, 6216, 6882, 7413, 8029, 8472, 9176, 9884, 10943, 13061, 13764, 14826, 16058, 19768, 21886, 24087, 26122, 27528, 29652, 32116, 32829, 39183, 43772, 48174, 52244, 59304, 64232, 65658, 76601, 78366, 87544, 91427, 96348, 104488, 131316, 153202, 156732, 182854, 192696, 229803, 262632, 274281, 306404, 313464, 365708, 404891, 459606, 548562, 612808, 731416, 809782, 919212, 1097124, 1214673, 1619564, 1838424, 2194248, 2429346, 2834237, 3239128, 4858692, 5668474, 8502711, 9717384, 11336948, 17005422, 22673896, 34010844, 68021688]

約数ペア:

[(1, 68021688), (2, 34010844), (3, 22673896), (4, 17005422), (6, 11336948), (7, 9717384), (8, 8502711), (12, 5668474), (14, 4858692), (21, 3239128), (24, 2834237), (28, 2429346), (31, 2194248), (37, 1838424), (42, 1619564), (56, 1214673), (62, 1097124), (74, 919212), (84, 809782), (93, 731416), (111, 612808), (124, 548562), (148, 459606), (168, 404891), (186, 365708), (217, 313464), (222, 306404), (248, 274281), (259, 262632), (296, 229803), (353, 192696), (372, 182854), (434, 156732), (444, 153202), (518, 131316), (651, 104488), (706, 96348), (744, 91427), (777, 87544), (868, 78366), (888, 76601), (1036, 65658), (1059, 64232), (1147, 59304), (1302, 52244), (1412, 48174), (1554, 43772), (1736, 39183), (2072, 32829), (2118, 32116), (2294, 29652), (2471, 27528), (2604, 26122), (2824, 24087), (3108, 21886), (3441, 19768), (4236, 16058), (4588, 14826), (4942, 13764), (5208, 13061), (6216, 10943), (6882, 9884), (7413, 9176), (8029, 8472)]