155238080

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15649}}^1$

素因数の和:15697

約数の個数: 56

約数和(自身を含む): 381609600

約数和(自身を除く): 226371520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 15649, 31298, 62596, 78245, 125192, 156490, 250384, 312980, 485119, 500768, 625960, 970238, 1001536, 1251920, 1940476, 2425595, 2503840, 3880952, 4851190, 5007680, 7761904, 9702380, 15523808, 19404760, 31047616, 38809520, 77619040, 155238080]

約数ペア:

[(1, 155238080), (2, 77619040), (4, 38809520), (5, 31047616), (8, 19404760), (10, 15523808), (16, 9702380), (20, 7761904), (31, 5007680), (32, 4851190), (40, 3880952), (62, 2503840), (64, 2425595), (80, 1940476), (124, 1251920), (155, 1001536), (160, 970238), (248, 625960), (310, 500768), (320, 485119), (496, 312980), (620, 250384), (992, 156490), (1240, 125192), (1984, 78245), (2480, 62596), (4960, 31298), (9920, 15649)]