81428832

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:705

約数の個数: 144

約数和(自身を含む): 254741760

約数和(自身を除く): 173312928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 32, 36, 38, 46, 48, 57, 69, 72, 76, 92, 96, 114, 138, 144, 152, 171, 184, 207, 228, 276, 288, 304, 342, 368, 414, 437, 456, 552, 608, 647, 684, 736, 828, 874, 912, 1104, 1294, 1311, 1368, 1656, 1748, 1824, 1941, 2208, 2588, 2622, 2736, 3312, 3496, 3882, 3933, 5176, 5244, 5472, 5823, 6624, 6992, 7764, 7866, 10352, 10488, 11646, 12293, 13984, 14881, 15528, 15732, 20704, 20976, 23292, 24586, 29762, 31056, 31464, 36879, 41952, 44643, 46584, 49172, 59524, 62112, 62928, 73758, 89286, 93168, 98344, 110637, 119048, 125856, 133929, 147516, 178572, 186336, 196688, 221274, 238096, 267858, 282739, 295032, 357144, 393376, 442548, 476192, 535716, 565478, 590064, 714288, 848217, 885096, 1071432, 1130956, 1180128, 1428576, 1696434, 1770192, 2142864, 2261912, 2544651, 3392868, 3540384, 4285728, 4523824, 5089302, 6785736, 9047648, 10178604, 13571472, 20357208, 27142944, 40714416, 81428832]

約数ペア:

[(1, 81428832), (2, 40714416), (3, 27142944), (4, 20357208), (6, 13571472), (8, 10178604), (9, 9047648), (12, 6785736), (16, 5089302), (18, 4523824), (19, 4285728), (23, 3540384), (24, 3392868), (32, 2544651), (36, 2261912), (38, 2142864), (46, 1770192), (48, 1696434), (57, 1428576), (69, 1180128), (72, 1130956), (76, 1071432), (92, 885096), (96, 848217), (114, 714288), (138, 590064), (144, 565478), (152, 535716), (171, 476192), (184, 442548), (207, 393376), (228, 357144), (276, 295032), (288, 282739), (304, 267858), (342, 238096), (368, 221274), (414, 196688), (437, 186336), (456, 178572), (552, 147516), (608, 133929), (647, 125856), (684, 119048), (736, 110637), (828, 98344), (874, 93168), (912, 89286), (1104, 73758), (1294, 62928), (1311, 62112), (1368, 59524), (1656, 49172), (1748, 46584), (1824, 44643), (1941, 41952), (2208, 36879), (2588, 31464), (2622, 31056), (2736, 29762), (3312, 24586), (3496, 23292), (3882, 20976), (3933, 20704), (5176, 15732), (5244, 15528), (5472, 14881), (5823, 13984), (6624, 12293), (6992, 11646), (7764, 10488), (7866, 10352)]