131811240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1637}}^1$

素因数の和:1723

約数の個数: 128

約数和(自身を含む): 438721920

約数和(自身を除く): 306910680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 61, 66, 88, 110, 120, 122, 132, 165, 183, 220, 244, 264, 305, 330, 366, 440, 488, 610, 660, 671, 732, 915, 1220, 1320, 1342, 1464, 1637, 1830, 2013, 2440, 2684, 3274, 3355, 3660, 4026, 4911, 5368, 6548, 6710, 7320, 8052, 8185, 9822, 10065, 13096, 13420, 16104, 16370, 18007, 19644, 20130, 24555, 26840, 32740, 36014, 39288, 40260, 49110, 54021, 65480, 72028, 80520, 90035, 98220, 99857, 108042, 144056, 180070, 196440, 199714, 216084, 270105, 299571, 360140, 399428, 432168, 499285, 540210, 599142, 720280, 798856, 998570, 1080420, 1098427, 1198284, 1497855, 1997140, 2160840, 2196854, 2396568, 2995710, 3295281, 3994280, 4393708, 5492135, 5991420, 6590562, 8787416, 10984270, 11982840, 13181124, 16476405, 21968540, 26362248, 32952810, 43937080, 65905620, 131811240]

約数ペア:

[(1, 131811240), (2, 65905620), (3, 43937080), (4, 32952810), (5, 26362248), (6, 21968540), (8, 16476405), (10, 13181124), (11, 11982840), (12, 10984270), (15, 8787416), (20, 6590562), (22, 5991420), (24, 5492135), (30, 4393708), (33, 3994280), (40, 3295281), (44, 2995710), (55, 2396568), (60, 2196854), (61, 2160840), (66, 1997140), (88, 1497855), (110, 1198284), (120, 1098427), (122, 1080420), (132, 998570), (165, 798856), (183, 720280), (220, 599142), (244, 540210), (264, 499285), (305, 432168), (330, 399428), (366, 360140), (440, 299571), (488, 270105), (610, 216084), (660, 199714), (671, 196440), (732, 180070), (915, 144056), (1220, 108042), (1320, 99857), (1342, 98220), (1464, 90035), (1637, 80520), (1830, 72028), (2013, 65480), (2440, 54021), (2684, 49110), (3274, 40260), (3355, 39288), (3660, 36014), (4026, 32740), (4911, 26840), (5368, 24555), (6548, 20130), (6710, 19644), (7320, 18007), (8052, 16370), (8185, 16104), (9822, 13420), (10065, 13096)]