74904320

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 181139280

約数和(自身を除く): 106234960

約数列:

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

約数ペア:

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