15217360

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 37403856

約数和(自身を除く): 22186496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 53, 74, 80, 97, 106, 148, 185, 194, 212, 265, 296, 370, 388, 424, 485, 530, 592, 740, 776, 848, 970, 1060, 1480, 1552, 1940, 1961, 2120, 2960, 3589, 3880, 3922, 4240, 5141, 7178, 7760, 7844, 9805, 10282, 14356, 15688, 17945, 19610, 20564, 25705, 28712, 31376, 35890, 39220, 41128, 51410, 57424, 71780, 78440, 82256, 102820, 143560, 156880, 190217, 205640, 287120, 380434, 411280, 760868, 951085, 1521736, 1902170, 3043472, 3804340, 7608680, 15217360]

約数ペア:

[(1, 15217360), (2, 7608680), (4, 3804340), (5, 3043472), (8, 1902170), (10, 1521736), (16, 951085), (20, 760868), (37, 411280), (40, 380434), (53, 287120), (74, 205640), (80, 190217), (97, 156880), (106, 143560), (148, 102820), (185, 82256), (194, 78440), (212, 71780), (265, 57424), (296, 51410), (370, 41128), (388, 39220), (424, 35890), (485, 31376), (530, 28712), (592, 25705), (740, 20564), (776, 19610), (848, 17945), (970, 15688), (1060, 14356), (1480, 10282), (1552, 9805), (1940, 7844), (1961, 7760), (2120, 7178), (2960, 5141), (3589, 4240), (3880, 3922)]