81665688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:301

約数の個数: 128

約数和(自身を含む): 236779200

約数和(自身を除く): 155113512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 89, 102, 104, 136, 156, 173, 178, 204, 221, 267, 312, 346, 356, 408, 442, 519, 534, 663, 692, 712, 884, 1038, 1068, 1157, 1326, 1384, 1513, 1768, 2076, 2136, 2249, 2314, 2652, 2941, 3026, 3471, 4152, 4498, 4539, 4628, 5304, 5882, 6052, 6747, 6942, 8823, 8996, 9078, 9256, 11764, 12104, 13494, 13884, 15397, 17646, 17992, 18156, 19669, 23528, 26988, 27768, 30794, 35292, 36312, 38233, 39338, 46191, 53976, 59007, 61588, 70584, 76466, 78676, 92382, 114699, 118014, 123176, 152932, 157352, 184764, 200161, 229398, 236028, 261749, 305864, 369528, 400322, 458796, 472056, 523498, 600483, 785247, 800644, 917592, 1046996, 1200966, 1570494, 1601288, 2093992, 2401932, 3140988, 3402737, 4803864, 6281976, 6805474, 10208211, 13610948, 20416422, 27221896, 40832844, 81665688]

約数ペア:

[(1, 81665688), (2, 40832844), (3, 27221896), (4, 20416422), (6, 13610948), (8, 10208211), (12, 6805474), (13, 6281976), (17, 4803864), (24, 3402737), (26, 3140988), (34, 2401932), (39, 2093992), (51, 1601288), (52, 1570494), (68, 1200966), (78, 1046996), (89, 917592), (102, 800644), (104, 785247), (136, 600483), (156, 523498), (173, 472056), (178, 458796), (204, 400322), (221, 369528), (267, 305864), (312, 261749), (346, 236028), (356, 229398), (408, 200161), (442, 184764), (519, 157352), (534, 152932), (663, 123176), (692, 118014), (712, 114699), (884, 92382), (1038, 78676), (1068, 76466), (1157, 70584), (1326, 61588), (1384, 59007), (1513, 53976), (1768, 46191), (2076, 39338), (2136, 38233), (2249, 36312), (2314, 35292), (2652, 30794), (2941, 27768), (3026, 26988), (3471, 23528), (4152, 19669), (4498, 18156), (4539, 17992), (4628, 17646), (5304, 15397), (5882, 13884), (6052, 13494), (6747, 12104), (6942, 11764), (8823, 9256), (8996, 9078)]