131311584

素因数分解:

$2^5\times 3^3\times {\mathrm{19}}^2\times {\mathrm{421}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 405170640

約数和(自身を除く): 273859056

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, 361, 421, 432, 456, 513, 608, 684, 722, 842, 864, 912, 1026, 1083, 1263, 1368, 1444, 1684, 1824, 2052, 2166, 2526, 2736, 2888, 3249, 3368, 3789, 4104, 4332, 5052, 5472, 5776, 6498, 6736, 7578, 7999, 8208, 8664, 9747, 10104, 11367, 11552, 12996, 13472, 15156, 15998, 16416, 17328, 19494, 20208, 22734, 23997, 25992, 30312, 31996, 34656, 38988, 40416, 45468, 47994, 51984, 60624, 63992, 71991, 77976, 90936, 95988, 103968, 121248, 127984, 143982, 151981, 155952, 181872, 191976, 215973, 255968, 287964, 303962, 311904, 363744, 383952, 431946, 455943, 575928, 607924, 767904, 863892, 911886, 1151856, 1215848, 1367829, 1727784, 1823772, 2303712, 2431696, 2735658, 3455568, 3647544, 4103487, 4863392, 5471316, 6911136, 7295088, 8206974, 10942632, 14590176, 16413948, 21885264, 32827896, 43770528, 65655792, 131311584]

約数ペア:

[(1, 131311584), (2, 65655792), (3, 43770528), (4, 32827896), (6, 21885264), (8, 16413948), (9, 14590176), (12, 10942632), (16, 8206974), (18, 7295088), (19, 6911136), (24, 5471316), (27, 4863392), (32, 4103487), (36, 3647544), (38, 3455568), (48, 2735658), (54, 2431696), (57, 2303712), (72, 1823772), (76, 1727784), (96, 1367829), (108, 1215848), (114, 1151856), (144, 911886), (152, 863892), (171, 767904), (216, 607924), (228, 575928), (288, 455943), (304, 431946), (342, 383952), (361, 363744), (421, 311904), (432, 303962), (456, 287964), (513, 255968), (608, 215973), (684, 191976), (722, 181872), (842, 155952), (864, 151981), (912, 143982), (1026, 127984), (1083, 121248), (1263, 103968), (1368, 95988), (1444, 90936), (1684, 77976), (1824, 71991), (2052, 63992), (2166, 60624), (2526, 51984), (2736, 47994), (2888, 45468), (3249, 40416), (3368, 38988), (3789, 34656), (4104, 31996), (4332, 30312), (5052, 25992), (5472, 23997), (5776, 22734), (6498, 20208), (6736, 19494), (7578, 17328), (7999, 16416), (8208, 15998), (8664, 15156), (9747, 13472), (10104, 12996), (11367, 11552)]