15718780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 42094080

約数和(自身を除く): 26375300

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 59, 70, 77, 110, 118, 140, 154, 173, 220, 236, 295, 308, 346, 385, 413, 590, 649, 692, 770, 826, 865, 1180, 1211, 1298, 1540, 1652, 1730, 1903, 2065, 2422, 2596, 3245, 3460, 3806, 4130, 4543, 4844, 6055, 6490, 7612, 8260, 9086, 9515, 10207, 12110, 12980, 13321, 18172, 19030, 20414, 22715, 24220, 26642, 38060, 40828, 45430, 51035, 53284, 66605, 71449, 90860, 102070, 112277, 133210, 142898, 204140, 224554, 266420, 285796, 357245, 449108, 561385, 714490, 785939, 1122770, 1428980, 1571878, 2245540, 3143756, 3929695, 7859390, 15718780]

約数ペア:

[(1, 15718780), (2, 7859390), (4, 3929695), (5, 3143756), (7, 2245540), (10, 1571878), (11, 1428980), (14, 1122770), (20, 785939), (22, 714490), (28, 561385), (35, 449108), (44, 357245), (55, 285796), (59, 266420), (70, 224554), (77, 204140), (110, 142898), (118, 133210), (140, 112277), (154, 102070), (173, 90860), (220, 71449), (236, 66605), (295, 53284), (308, 51035), (346, 45430), (385, 40828), (413, 38060), (590, 26642), (649, 24220), (692, 22715), (770, 20414), (826, 19030), (865, 18172), (1180, 13321), (1211, 12980), (1298, 12110), (1540, 10207), (1652, 9515), (1730, 9086), (1903, 8260), (2065, 7612), (2422, 6490), (2596, 6055), (3245, 4844), (3460, 4543), (3806, 4130)]