12778996880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1\times {\mathrm{1097}}^1$

素因数の和:1633

約数の個数: 160

約数和(自身を含む): 33486856704

約数和(自身を除く): 20707859824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 487, 520, 598, 920, 974, 1040, 1097, 1196, 1495, 1840, 1948, 2194, 2392, 2435, 2990, 3896, 4388, 4784, 4870, 5485, 5980, 6331, 7792, 8776, 9740, 10970, 11201, 11960, 12662, 14261, 17552, 19480, 21940, 22402, 23920, 25231, 25324, 28522, 31655, 38960, 43880, 44804, 50462, 50648, 56005, 57044, 63310, 71305, 87760, 89608, 100924, 101296, 112010, 114088, 126155, 126620, 142610, 145613, 179216, 201848, 224020, 228176, 252310, 253240, 285220, 291226, 328003, 403696, 448040, 504620, 506480, 534239, 570440, 582452, 656006, 728065, 896080, 1009240, 1068478, 1140880, 1164904, 1312012, 1456130, 1640015, 2018480, 2136956, 2329808, 2624024, 2671195, 2912260, 3280030, 4273912, 5248048, 5342390, 5824520, 6560060, 6945107, 8547824, 10684780, 11649040, 12287497, 13120120, 13890214, 21369560, 24574994, 26240240, 27780428, 34725535, 42739120, 49149988, 55560856, 61437485, 69451070, 98299976, 111121712, 122874970, 138902140, 159737461, 196599952, 245749940, 277804280, 319474922, 491499880, 555608560, 638949844, 798687305, 982999760, 1277899688, 1597374610, 2555799376, 3194749220, 6389498440, 12778996880]

約数ペア:

[(1, 12778996880), (2, 6389498440), (4, 3194749220), (5, 2555799376), (8, 1597374610), (10, 1277899688), (13, 982999760), (16, 798687305), (20, 638949844), (23, 555608560), (26, 491499880), (40, 319474922), (46, 277804280), (52, 245749940), (65, 196599952), (80, 159737461), (92, 138902140), (104, 122874970), (115, 111121712), (130, 98299976), (184, 69451070), (208, 61437485), (230, 55560856), (260, 49149988), (299, 42739120), (368, 34725535), (460, 27780428), (487, 26240240), (520, 24574994), (598, 21369560), (920, 13890214), (974, 13120120), (1040, 12287497), (1097, 11649040), (1196, 10684780), (1495, 8547824), (1840, 6945107), (1948, 6560060), (2194, 5824520), (2392, 5342390), (2435, 5248048), (2990, 4273912), (3896, 3280030), (4388, 2912260), (4784, 2671195), (4870, 2624024), (5485, 2329808), (5980, 2136956), (6331, 2018480), (7792, 1640015), (8776, 1456130), (9740, 1312012), (10970, 1164904), (11201, 1140880), (11960, 1068478), (12662, 1009240), (14261, 896080), (17552, 728065), (19480, 656006), (21940, 582452), (22402, 570440), (23920, 534239), (25231, 506480), (25324, 504620), (28522, 448040), (31655, 403696), (38960, 328003), (43880, 291226), (44804, 285220), (50462, 253240), (50648, 252310), (56005, 228176), (57044, 224020), (63310, 201848), (71305, 179216), (87760, 145613), (89608, 142610), (100924, 126620), (101296, 126155), (112010, 114088)]