217901280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{453961}}^1$

素因数の和:453979

約数の個数: 48

約数和(自身を含む): 686390544

約数和(自身を除く): 468489264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 453961, 907922, 1361883, 1815844, 2269805, 2723766, 3631688, 4539610, 5447532, 6809415, 7263376, 9079220, 10895064, 13618830, 14526752, 18158440, 21790128, 27237660, 36316880, 43580256, 54475320, 72633760, 108950640, 217901280]

約数ペア:

[(1, 217901280), (2, 108950640), (3, 72633760), (4, 54475320), (5, 43580256), (6, 36316880), (8, 27237660), (10, 21790128), (12, 18158440), (15, 14526752), (16, 13618830), (20, 10895064), (24, 9079220), (30, 7263376), (32, 6809415), (40, 5447532), (48, 4539610), (60, 3631688), (80, 2723766), (96, 2269805), (120, 1815844), (160, 1361883), (240, 907922), (480, 453961)]