181292800

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2179}}^1$

素因数の和:2218

約数の個数: 108

約数和(自身を含む): 483467320

約数和(自身を除く): 302174520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 520, 640, 650, 800, 832, 1040, 1280, 1300, 1600, 1664, 2080, 2179, 2600, 3200, 3328, 4160, 4358, 5200, 6400, 8320, 8716, 10400, 10895, 16640, 17432, 20800, 21790, 28327, 34864, 41600, 43580, 54475, 56654, 69728, 83200, 87160, 108950, 113308, 139456, 141635, 174320, 217900, 226616, 278912, 283270, 348640, 435800, 453232, 557824, 566540, 697280, 708175, 871600, 906464, 1133080, 1394560, 1416350, 1743200, 1812928, 2266160, 2789120, 2832700, 3486400, 3625856, 4532320, 5665400, 6972800, 7251712, 9064640, 11330800, 13945600, 18129280, 22661600, 36258560, 45323200, 90646400, 181292800]

約数ペア:

[(1, 181292800), (2, 90646400), (4, 45323200), (5, 36258560), (8, 22661600), (10, 18129280), (13, 13945600), (16, 11330800), (20, 9064640), (25, 7251712), (26, 6972800), (32, 5665400), (40, 4532320), (50, 3625856), (52, 3486400), (64, 2832700), (65, 2789120), (80, 2266160), (100, 1812928), (104, 1743200), (128, 1416350), (130, 1394560), (160, 1133080), (200, 906464), (208, 871600), (256, 708175), (260, 697280), (320, 566540), (325, 557824), (400, 453232), (416, 435800), (520, 348640), (640, 283270), (650, 278912), (800, 226616), (832, 217900), (1040, 174320), (1280, 141635), (1300, 139456), (1600, 113308), (1664, 108950), (2080, 87160), (2179, 83200), (2600, 69728), (3200, 56654), (3328, 54475), (4160, 43580), (4358, 41600), (5200, 34864), (6400, 28327), (8320, 21790), (8716, 20800), (10400, 17432), (10895, 16640)]