81017976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 233856000

約数和(自身を除く): 152838024

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 79, 104, 114, 152, 156, 158, 173, 228, 237, 247, 312, 316, 346, 456, 474, 494, 519, 632, 692, 741, 948, 988, 1027, 1038, 1384, 1482, 1501, 1896, 1976, 2054, 2076, 2249, 2964, 3002, 3081, 3287, 4108, 4152, 4498, 4503, 5928, 6004, 6162, 6574, 6747, 8216, 8996, 9006, 9861, 12008, 12324, 13148, 13494, 13667, 17992, 18012, 19513, 19722, 24648, 26296, 26988, 27334, 36024, 39026, 39444, 41001, 42731, 53976, 54668, 58539, 78052, 78888, 82002, 85462, 109336, 117078, 128193, 156104, 164004, 170924, 177671, 234156, 256386, 259673, 328008, 341848, 355342, 468312, 512772, 519346, 533013, 710684, 779019, 1025544, 1038692, 1066026, 1421368, 1558038, 2077384, 2132052, 3116076, 3375749, 4264104, 6232152, 6751498, 10127247, 13502996, 20254494, 27005992, 40508988, 81017976]

約数ペア:

[(1, 81017976), (2, 40508988), (3, 27005992), (4, 20254494), (6, 13502996), (8, 10127247), (12, 6751498), (13, 6232152), (19, 4264104), (24, 3375749), (26, 3116076), (38, 2132052), (39, 2077384), (52, 1558038), (57, 1421368), (76, 1066026), (78, 1038692), (79, 1025544), (104, 779019), (114, 710684), (152, 533013), (156, 519346), (158, 512772), (173, 468312), (228, 355342), (237, 341848), (247, 328008), (312, 259673), (316, 256386), (346, 234156), (456, 177671), (474, 170924), (494, 164004), (519, 156104), (632, 128193), (692, 117078), (741, 109336), (948, 85462), (988, 82002), (1027, 78888), (1038, 78052), (1384, 58539), (1482, 54668), (1501, 53976), (1896, 42731), (1976, 41001), (2054, 39444), (2076, 39026), (2249, 36024), (2964, 27334), (3002, 26988), (3081, 26296), (3287, 24648), (4108, 19722), (4152, 19513), (4498, 18012), (4503, 17992), (5928, 13667), (6004, 13494), (6162, 13148), (6574, 12324), (6747, 12008), (8216, 9861), (8996, 9006)]