131591280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:839

約数の個数: 160

約数和(自身を含む): 439971840

約数和(自身を除く): 308380560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 40, 46, 48, 60, 62, 69, 80, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 240, 248, 276, 310, 345, 368, 372, 460, 465, 496, 552, 620, 690, 713, 744, 769, 920, 930, 1104, 1240, 1380, 1426, 1488, 1538, 1840, 1860, 2139, 2307, 2480, 2760, 2852, 3076, 3565, 3720, 3845, 4278, 4614, 5520, 5704, 6152, 7130, 7440, 7690, 8556, 9228, 10695, 11408, 11535, 12304, 14260, 15380, 17112, 17687, 18456, 21390, 23070, 23839, 28520, 30760, 34224, 35374, 36912, 42780, 46140, 47678, 53061, 57040, 61520, 70748, 71517, 85560, 88435, 92280, 95356, 106122, 119195, 141496, 143034, 171120, 176870, 184560, 190712, 212244, 238390, 265305, 282992, 286068, 353740, 357585, 381424, 424488, 476780, 530610, 548297, 572136, 707480, 715170, 848976, 953560, 1061220, 1096594, 1144272, 1414960, 1430340, 1644891, 1907120, 2122440, 2193188, 2741485, 2860680, 3289782, 4244880, 4386376, 5482970, 5721360, 6579564, 8224455, 8772752, 10965940, 13159128, 16448910, 21931880, 26318256, 32897820, 43863760, 65795640, 131591280]

約数ペア:

[(1, 131591280), (2, 65795640), (3, 43863760), (4, 32897820), (5, 26318256), (6, 21931880), (8, 16448910), (10, 13159128), (12, 10965940), (15, 8772752), (16, 8224455), (20, 6579564), (23, 5721360), (24, 5482970), (30, 4386376), (31, 4244880), (40, 3289782), (46, 2860680), (48, 2741485), (60, 2193188), (62, 2122440), (69, 1907120), (80, 1644891), (92, 1430340), (93, 1414960), (115, 1144272), (120, 1096594), (124, 1061220), (138, 953560), (155, 848976), (184, 715170), (186, 707480), (230, 572136), (240, 548297), (248, 530610), (276, 476780), (310, 424488), (345, 381424), (368, 357585), (372, 353740), (460, 286068), (465, 282992), (496, 265305), (552, 238390), (620, 212244), (690, 190712), (713, 184560), (744, 176870), (769, 171120), (920, 143034), (930, 141496), (1104, 119195), (1240, 106122), (1380, 95356), (1426, 92280), (1488, 88435), (1538, 85560), (1840, 71517), (1860, 70748), (2139, 61520), (2307, 57040), (2480, 53061), (2760, 47678), (2852, 46140), (3076, 42780), (3565, 36912), (3720, 35374), (3845, 34224), (4278, 30760), (4614, 28520), (5520, 23839), (5704, 23070), (6152, 21390), (7130, 18456), (7440, 17687), (7690, 17112), (8556, 15380), (9228, 14260), (10695, 12304), (11408, 11535)]