81636768

素因数分解:

$2^5\times 3^3\times {\mathrm{19}}^1\times {\mathrm{4973}}^1$

素因数の和:5011

約数の個数: 96

約数和(自身を含む): 250689600

約数和(自身を除く): 169052832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 96, 108, 114, 144, 152, 171, 216, 228, 288, 304, 342, 432, 456, 513, 608, 684, 864, 912, 1026, 1368, 1824, 2052, 2736, 4104, 4973, 5472, 8208, 9946, 14919, 16416, 19892, 29838, 39784, 44757, 59676, 79568, 89514, 94487, 119352, 134271, 159136, 179028, 188974, 238704, 268542, 283461, 358056, 377948, 477408, 537084, 566922, 716112, 755896, 850383, 1074168, 1133844, 1432224, 1511792, 1700766, 2148336, 2267688, 2551149, 3023584, 3401532, 4296672, 4535376, 5102298, 6803064, 9070752, 10204596, 13606128, 20409192, 27212256, 40818384, 81636768]

約数ペア:

[(1, 81636768), (2, 40818384), (3, 27212256), (4, 20409192), (6, 13606128), (8, 10204596), (9, 9070752), (12, 6803064), (16, 5102298), (18, 4535376), (19, 4296672), (24, 3401532), (27, 3023584), (32, 2551149), (36, 2267688), (38, 2148336), (48, 1700766), (54, 1511792), (57, 1432224), (72, 1133844), (76, 1074168), (96, 850383), (108, 755896), (114, 716112), (144, 566922), (152, 537084), (171, 477408), (216, 377948), (228, 358056), (288, 283461), (304, 268542), (342, 238704), (432, 188974), (456, 179028), (513, 159136), (608, 134271), (684, 119352), (864, 94487), (912, 89514), (1026, 79568), (1368, 59676), (1824, 44757), (2052, 39784), (2736, 29838), (4104, 19892), (4973, 16416), (5472, 14919), (8208, 9946)]