15221800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:92

約数の個数: 144

約数和(自身を含む): 42301980

約数和(自身を除く): 27080180

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 25, 34, 37, 40, 44, 50, 55, 68, 74, 85, 88, 100, 110, 121, 136, 148, 170, 185, 187, 200, 220, 242, 275, 296, 340, 370, 374, 407, 425, 440, 484, 550, 605, 629, 680, 740, 748, 814, 850, 925, 935, 968, 1100, 1210, 1258, 1480, 1496, 1628, 1700, 1850, 1870, 2035, 2057, 2200, 2420, 2516, 3025, 3145, 3256, 3400, 3700, 3740, 4070, 4114, 4477, 4675, 4840, 5032, 6050, 6290, 6919, 7400, 7480, 8140, 8228, 8954, 9350, 10175, 10285, 12100, 12580, 13838, 15725, 16280, 16456, 17908, 18700, 20350, 20570, 22385, 24200, 25160, 27676, 31450, 34595, 35816, 37400, 40700, 41140, 44770, 51425, 55352, 62900, 69190, 76109, 81400, 82280, 89540, 102850, 111925, 125800, 138380, 152218, 172975, 179080, 205700, 223850, 276760, 304436, 345950, 380545, 411400, 447700, 608872, 691900, 761090, 895400, 1383800, 1522180, 1902725, 3044360, 3805450, 7610900, 15221800]

約数ペア:

[(1, 15221800), (2, 7610900), (4, 3805450), (5, 3044360), (8, 1902725), (10, 1522180), (11, 1383800), (17, 895400), (20, 761090), (22, 691900), (25, 608872), (34, 447700), (37, 411400), (40, 380545), (44, 345950), (50, 304436), (55, 276760), (68, 223850), (74, 205700), (85, 179080), (88, 172975), (100, 152218), (110, 138380), (121, 125800), (136, 111925), (148, 102850), (170, 89540), (185, 82280), (187, 81400), (200, 76109), (220, 69190), (242, 62900), (275, 55352), (296, 51425), (340, 44770), (370, 41140), (374, 40700), (407, 37400), (425, 35816), (440, 34595), (484, 31450), (550, 27676), (605, 25160), (629, 24200), (680, 22385), (740, 20570), (748, 20350), (814, 18700), (850, 17908), (925, 16456), (935, 16280), (968, 15725), (1100, 13838), (1210, 12580), (1258, 12100), (1480, 10285), (1496, 10175), (1628, 9350), (1700, 8954), (1850, 8228), (1870, 8140), (2035, 7480), (2057, 7400), (2200, 6919), (2420, 6290), (2516, 6050), (3025, 5032), (3145, 4840), (3256, 4675), (3400, 4477), (3700, 4114), (3740, 4070)]