68804515980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{20983}}^1\times {\mathrm{18217}}^1$

素因数の和:39215

約数の個数: 72

約数和(自身を含む): 208728435552

約数和(自身を除く): 139923919572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 18217, 20983, 36434, 41966, 54651, 62949, 72868, 83932, 91085, 104915, 109302, 125898, 163953, 182170, 188847, 209830, 218604, 251796, 273255, 314745, 327906, 364340, 377694, 419660, 546510, 629490, 655812, 755388, 819765, 944235, 1093020, 1258980, 1639530, 1888470, 3279060, 3776940, 382247311, 764494622, 1146741933, 1528989244, 1911236555, 2293483866, 3440225799, 3822473110, 4586967732, 5733709665, 6880451598, 7644946220, 11467419330, 13760903196, 17201128995, 22934838660, 34402257990, 68804515980]

約数ペア:

[(1, 68804515980), (2, 34402257990), (3, 22934838660), (4, 17201128995), (5, 13760903196), (6, 11467419330), (9, 7644946220), (10, 6880451598), (12, 5733709665), (15, 4586967732), (18, 3822473110), (20, 3440225799), (30, 2293483866), (36, 1911236555), (45, 1528989244), (60, 1146741933), (90, 764494622), (180, 382247311), (18217, 3776940), (20983, 3279060), (36434, 1888470), (41966, 1639530), (54651, 1258980), (62949, 1093020), (72868, 944235), (83932, 819765), (91085, 755388), (104915, 655812), (109302, 629490), (125898, 546510), (163953, 419660), (182170, 377694), (188847, 364340), (209830, 327906), (218604, 314745), (251796, 273255)]