161620920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:707

約数の個数: 160

約数和(自身を含む): 550685520

約数和(自身を除く): 389064600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 83, 90, 108, 120, 135, 162, 166, 180, 216, 249, 270, 324, 332, 360, 405, 415, 498, 540, 601, 648, 664, 747, 810, 830, 996, 1080, 1202, 1245, 1494, 1620, 1660, 1803, 1992, 2241, 2404, 2490, 2988, 3005, 3240, 3320, 3606, 3735, 4482, 4808, 4980, 5409, 5976, 6010, 6723, 7212, 7470, 8964, 9015, 9960, 10818, 11205, 12020, 13446, 14424, 14940, 16227, 17928, 18030, 21636, 22410, 24040, 26892, 27045, 29880, 32454, 33615, 36060, 43272, 44820, 48681, 49883, 53784, 54090, 64908, 67230, 72120, 81135, 89640, 97362, 99766, 108180, 129816, 134460, 149649, 162270, 194724, 199532, 216360, 243405, 249415, 268920, 299298, 324540, 389448, 399064, 448947, 486810, 498830, 598596, 649080, 748245, 897894, 973620, 997660, 1197192, 1346841, 1496490, 1795788, 1947240, 1995320, 2244735, 2693682, 2992980, 3591576, 4040523, 4489470, 5387364, 5985960, 6734205, 8081046, 8978940, 10774728, 13468410, 16162092, 17957880, 20202615, 26936820, 32324184, 40405230, 53873640, 80810460, 161620920]

約数ペア:

[(1, 161620920), (2, 80810460), (3, 53873640), (4, 40405230), (5, 32324184), (6, 26936820), (8, 20202615), (9, 17957880), (10, 16162092), (12, 13468410), (15, 10774728), (18, 8978940), (20, 8081046), (24, 6734205), (27, 5985960), (30, 5387364), (36, 4489470), (40, 4040523), (45, 3591576), (54, 2992980), (60, 2693682), (72, 2244735), (81, 1995320), (83, 1947240), (90, 1795788), (108, 1496490), (120, 1346841), (135, 1197192), (162, 997660), (166, 973620), (180, 897894), (216, 748245), (249, 649080), (270, 598596), (324, 498830), (332, 486810), (360, 448947), (405, 399064), (415, 389448), (498, 324540), (540, 299298), (601, 268920), (648, 249415), (664, 243405), (747, 216360), (810, 199532), (830, 194724), (996, 162270), (1080, 149649), (1202, 134460), (1245, 129816), (1494, 108180), (1620, 99766), (1660, 97362), (1803, 89640), (1992, 81135), (2241, 72120), (2404, 67230), (2490, 64908), (2988, 54090), (3005, 53784), (3240, 49883), (3320, 48681), (3606, 44820), (3735, 43272), (4482, 36060), (4808, 33615), (4980, 32454), (5409, 29880), (5976, 27045), (6010, 26892), (6723, 24040), (7212, 22410), (7470, 21636), (8964, 18030), (9015, 17928), (9960, 16227), (10818, 14940), (11205, 14424), (12020, 13446)]