323320720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{613}}^1$

素因数の和:992

約数の個数: 80

約数和(自身を含む): 794859840

約数和(自身を除く): 471539120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 347, 380, 613, 694, 760, 1226, 1388, 1520, 1735, 2452, 2776, 3065, 3470, 4904, 5552, 6130, 6593, 6940, 9808, 11647, 12260, 13186, 13880, 23294, 24520, 26372, 27760, 32965, 46588, 49040, 52744, 58235, 65930, 93176, 105488, 116470, 131860, 186352, 212711, 232940, 263720, 425422, 465880, 527440, 850844, 931760, 1063555, 1701688, 2127110, 3403376, 4041509, 4254220, 8083018, 8508440, 16166036, 17016880, 20207545, 32332072, 40415090, 64664144, 80830180, 161660360, 323320720]

約数ペア:

[(1, 323320720), (2, 161660360), (4, 80830180), (5, 64664144), (8, 40415090), (10, 32332072), (16, 20207545), (19, 17016880), (20, 16166036), (38, 8508440), (40, 8083018), (76, 4254220), (80, 4041509), (95, 3403376), (152, 2127110), (190, 1701688), (304, 1063555), (347, 931760), (380, 850844), (613, 527440), (694, 465880), (760, 425422), (1226, 263720), (1388, 232940), (1520, 212711), (1735, 186352), (2452, 131860), (2776, 116470), (3065, 105488), (3470, 93176), (4904, 65930), (5552, 58235), (6130, 52744), (6593, 49040), (6940, 46588), (9808, 32965), (11647, 27760), (12260, 26372), (13186, 24520), (13880, 23294)]