1288404560

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{1097}}^1$

素因数の和:1440

約数の個数: 80

約数和(自身を含む): 3065870736

約数和(自身を除く): 1777466176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 277, 424, 530, 554, 848, 1060, 1097, 1108, 1385, 2120, 2194, 2216, 2770, 4240, 4388, 4432, 5485, 5540, 8776, 10970, 11080, 14681, 17552, 21940, 22160, 29362, 43880, 58141, 58724, 73405, 87760, 116282, 117448, 146810, 232564, 234896, 290705, 293620, 303869, 465128, 581410, 587240, 607738, 930256, 1162820, 1174480, 1215476, 1519345, 2325640, 2430952, 3038690, 4651280, 4861904, 6077380, 12154760, 16105057, 24309520, 32210114, 64420228, 80525285, 128840456, 161050570, 257680912, 322101140, 644202280, 1288404560]

約数ペア:

[(1, 1288404560), (2, 644202280), (4, 322101140), (5, 257680912), (8, 161050570), (10, 128840456), (16, 80525285), (20, 64420228), (40, 32210114), (53, 24309520), (80, 16105057), (106, 12154760), (212, 6077380), (265, 4861904), (277, 4651280), (424, 3038690), (530, 2430952), (554, 2325640), (848, 1519345), (1060, 1215476), (1097, 1174480), (1108, 1162820), (1385, 930256), (2120, 607738), (2194, 587240), (2216, 581410), (2770, 465128), (4240, 303869), (4388, 293620), (4432, 290705), (5485, 234896), (5540, 232564), (8776, 146810), (10970, 117448), (11080, 116282), (14681, 87760), (17552, 73405), (21940, 58724), (22160, 58141), (29362, 43880)]