12891780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 45287424

約数和(自身を除く): 32395644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 132, 153, 165, 170, 180, 187, 198, 204, 220, 255, 306, 330, 340, 374, 383, 396, 495, 510, 561, 612, 660, 748, 765, 766, 935, 990, 1020, 1122, 1149, 1530, 1532, 1683, 1870, 1915, 1980, 2244, 2298, 2805, 3060, 3366, 3447, 3740, 3830, 4213, 4596, 5610, 5745, 6511, 6732, 6894, 7660, 8415, 8426, 11220, 11490, 12639, 13022, 13788, 16830, 16852, 17235, 19533, 21065, 22980, 25278, 26044, 32555, 33660, 34470, 37917, 39066, 42130, 50556, 58599, 63195, 65110, 68940, 71621, 75834, 78132, 84260, 97665, 117198, 126390, 130220, 143242, 151668, 189585, 195330, 214863, 234396, 252780, 286484, 292995, 358105, 379170, 390660, 429726, 585990, 644589, 716210, 758340, 859452, 1074315, 1171980, 1289178, 1432420, 2148630, 2578356, 3222945, 4297260, 6445890, 12891780]

約数ペア:

[(1, 12891780), (2, 6445890), (3, 4297260), (4, 3222945), (5, 2578356), (6, 2148630), (9, 1432420), (10, 1289178), (11, 1171980), (12, 1074315), (15, 859452), (17, 758340), (18, 716210), (20, 644589), (22, 585990), (30, 429726), (33, 390660), (34, 379170), (36, 358105), (44, 292995), (45, 286484), (51, 252780), (55, 234396), (60, 214863), (66, 195330), (68, 189585), (85, 151668), (90, 143242), (99, 130220), (102, 126390), (110, 117198), (132, 97665), (153, 84260), (165, 78132), (170, 75834), (180, 71621), (187, 68940), (198, 65110), (204, 63195), (220, 58599), (255, 50556), (306, 42130), (330, 39066), (340, 37917), (374, 34470), (383, 33660), (396, 32555), (495, 26044), (510, 25278), (561, 22980), (612, 21065), (660, 19533), (748, 17235), (765, 16852), (766, 16830), (935, 13788), (990, 13022), (1020, 12639), (1122, 11490), (1149, 11220), (1530, 8426), (1532, 8415), (1683, 7660), (1870, 6894), (1915, 6732), (1980, 6511), (2244, 5745), (2298, 5610), (2805, 4596), (3060, 4213), (3366, 3830), (3447, 3740)]