1288864720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{112663}}^1$

素因数の和:112700

約数の個数: 80

約数和(自身を含む): 3520524672

約数和(自身を除く): 2231659952

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 112663, 225326, 450652, 563315, 901304, 1126630, 1239293, 1464619, 1802608, 2253260, 2478586, 2929238, 4506520, 4957172, 5858476, 6196465, 7323095, 9013040, 9914344, 11716952, 12392930, 14646190, 16110809, 19828688, 23433904, 24785860, 29292380, 32221618, 49571720, 58584760, 64443236, 80554045, 99143440, 117169520, 128886472, 161108090, 257772944, 322216180, 644432360, 1288864720]

約数ペア:

[(1, 1288864720), (2, 644432360), (4, 322216180), (5, 257772944), (8, 161108090), (10, 128886472), (11, 117169520), (13, 99143440), (16, 80554045), (20, 64443236), (22, 58584760), (26, 49571720), (40, 32221618), (44, 29292380), (52, 24785860), (55, 23433904), (65, 19828688), (80, 16110809), (88, 14646190), (104, 12392930), (110, 11716952), (130, 9914344), (143, 9013040), (176, 7323095), (208, 6196465), (220, 5858476), (260, 4957172), (286, 4506520), (440, 2929238), (520, 2478586), (572, 2253260), (715, 1802608), (880, 1464619), (1040, 1239293), (1144, 1126630), (1430, 901304), (2288, 563315), (2860, 450652), (5720, 225326), (11440, 112663)]