12912735880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{1657}}^1$

素因数の和:1967

約数の個数: 128

約数和(自身を含む): 32231520000

約数和(自身を除く): 19318784120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 199, 220, 356, 398, 440, 445, 712, 796, 890, 979, 995, 1592, 1657, 1780, 1958, 1990, 2189, 3314, 3560, 3916, 3980, 4378, 4895, 6628, 7832, 7960, 8285, 8756, 9790, 10945, 13256, 16570, 17512, 17711, 18227, 19580, 21890, 33140, 35422, 36454, 39160, 43780, 66280, 70844, 72908, 87560, 88555, 91135, 141688, 145816, 147473, 177110, 182270, 194821, 294946, 329743, 354220, 364540, 389642, 589892, 659486, 708440, 729080, 737365, 779284, 974105, 1179784, 1318972, 1474730, 1558568, 1622203, 1648715, 1948210, 2637944, 2949460, 3244406, 3297430, 3627173, 3896420, 5898920, 6488812, 6594860, 7254346, 7792840, 8111015, 12977624, 13189720, 14508692, 16222030, 18135865, 29017384, 29347127, 32444060, 36271730, 58694254, 64888120, 72543460, 117388508, 145086920, 146735635, 234777016, 293471270, 322818397, 586942540, 645636794, 1173885080, 1291273588, 1614091985, 2582547176, 3228183970, 6456367940, 12912735880]

約数ペア:

[(1, 12912735880), (2, 6456367940), (4, 3228183970), (5, 2582547176), (8, 1614091985), (10, 1291273588), (11, 1173885080), (20, 645636794), (22, 586942540), (40, 322818397), (44, 293471270), (55, 234777016), (88, 146735635), (89, 145086920), (110, 117388508), (178, 72543460), (199, 64888120), (220, 58694254), (356, 36271730), (398, 32444060), (440, 29347127), (445, 29017384), (712, 18135865), (796, 16222030), (890, 14508692), (979, 13189720), (995, 12977624), (1592, 8111015), (1657, 7792840), (1780, 7254346), (1958, 6594860), (1990, 6488812), (2189, 5898920), (3314, 3896420), (3560, 3627173), (3916, 3297430), (3980, 3244406), (4378, 2949460), (4895, 2637944), (6628, 1948210), (7832, 1648715), (7960, 1622203), (8285, 1558568), (8756, 1474730), (9790, 1318972), (10945, 1179784), (13256, 974105), (16570, 779284), (17512, 737365), (17711, 729080), (18227, 708440), (19580, 659486), (21890, 589892), (33140, 389642), (35422, 364540), (36454, 354220), (39160, 329743), (43780, 294946), (66280, 194821), (70844, 182270), (72908, 177110), (87560, 147473), (88555, 145816), (91135, 141688)]