149808640

素因数分解:

$2^9\times 5^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:583

約数の個数: 80

約数和(自身を含む): 362633040

約数和(自身を除く): 212824400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 421, 512, 556, 640, 695, 842, 1112, 1280, 1390, 1684, 2105, 2224, 2560, 2780, 3368, 4210, 4448, 5560, 6736, 8420, 8896, 11120, 13472, 16840, 17792, 22240, 26944, 33680, 35584, 44480, 53888, 58519, 67360, 71168, 88960, 107776, 117038, 134720, 177920, 215552, 234076, 269440, 292595, 355840, 468152, 538880, 585190, 936304, 1077760, 1170380, 1872608, 2340760, 3745216, 4681520, 7490432, 9363040, 14980864, 18726080, 29961728, 37452160, 74904320, 149808640]

約数ペア:

[(1, 149808640), (2, 74904320), (4, 37452160), (5, 29961728), (8, 18726080), (10, 14980864), (16, 9363040), (20, 7490432), (32, 4681520), (40, 3745216), (64, 2340760), (80, 1872608), (128, 1170380), (139, 1077760), (160, 936304), (256, 585190), (278, 538880), (320, 468152), (421, 355840), (512, 292595), (556, 269440), (640, 234076), (695, 215552), (842, 177920), (1112, 134720), (1280, 117038), (1390, 107776), (1684, 88960), (2105, 71168), (2224, 67360), (2560, 58519), (2780, 53888), (3368, 44480), (4210, 35584), (4448, 33680), (5560, 26944), (6736, 22240), (8420, 17792), (8896, 16840), (11120, 13472)]