161196160

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4129}}^1$

素因数の和:4209

約数の個数: 64

約数和(自身を含む): 391771800

約数和(自身を除く): 230575640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 4129, 4880, 7808, 8258, 9760, 16516, 19520, 20645, 33032, 39040, 41290, 66064, 82580, 132128, 165160, 251869, 264256, 330320, 503738, 528512, 660640, 1007476, 1259345, 1321280, 2014952, 2518690, 2642560, 4029904, 5037380, 8059808, 10074760, 16119616, 20149520, 32239232, 40299040, 80598080, 161196160]

約数ペア:

[(1, 161196160), (2, 80598080), (4, 40299040), (5, 32239232), (8, 20149520), (10, 16119616), (16, 10074760), (20, 8059808), (32, 5037380), (40, 4029904), (61, 2642560), (64, 2518690), (80, 2014952), (122, 1321280), (128, 1259345), (160, 1007476), (244, 660640), (305, 528512), (320, 503738), (488, 330320), (610, 264256), (640, 251869), (976, 165160), (1220, 132128), (1952, 82580), (2440, 66064), (3904, 41290), (4129, 39040), (4880, 33032), (7808, 20645), (8258, 19520), (9760, 16516)]