81431568

素因数分解:

$2^4\times 3^4\times {\mathrm{19}}^1\times {\mathrm{3307}}^1$

素因数の和:3346

約数の個数: 100

約数和(自身を含む): 248166160

約数和(自身を除く): 166734592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 108, 114, 144, 152, 162, 171, 216, 228, 304, 324, 342, 432, 456, 513, 648, 684, 912, 1026, 1296, 1368, 1539, 2052, 2736, 3078, 3307, 4104, 6156, 6614, 8208, 9921, 12312, 13228, 19842, 24624, 26456, 29763, 39684, 52912, 59526, 62833, 79368, 89289, 119052, 125666, 158736, 178578, 188499, 238104, 251332, 267867, 357156, 376998, 476208, 502664, 535734, 565497, 714312, 753996, 1005328, 1071468, 1130994, 1428624, 1507992, 1696491, 2142936, 2261988, 3015984, 3392982, 4285872, 4523976, 5089473, 6785964, 9047952, 10178946, 13571928, 20357892, 27143856, 40715784, 81431568]

約数ペア:

[(1, 81431568), (2, 40715784), (3, 27143856), (4, 20357892), (6, 13571928), (8, 10178946), (9, 9047952), (12, 6785964), (16, 5089473), (18, 4523976), (19, 4285872), (24, 3392982), (27, 3015984), (36, 2261988), (38, 2142936), (48, 1696491), (54, 1507992), (57, 1428624), (72, 1130994), (76, 1071468), (81, 1005328), (108, 753996), (114, 714312), (144, 565497), (152, 535734), (162, 502664), (171, 476208), (216, 376998), (228, 357156), (304, 267867), (324, 251332), (342, 238104), (432, 188499), (456, 178578), (513, 158736), (648, 125666), (684, 119052), (912, 89289), (1026, 79368), (1296, 62833), (1368, 59526), (1539, 52912), (2052, 39684), (2736, 29763), (3078, 26456), (3307, 24624), (4104, 19842), (6156, 13228), (6614, 12312), (8208, 9921)]